22 in Roman numerals
22 is written XXII. In chunks: X (10) + X (10) + I (1) + I (1) = 22.
The answer
XXII
22 in Roman numerals is XXII.
How XXII is built
To write it, split 22 into 20 + 2. 20 is XX, 2 is II, so 22 is XX then II: XXII.
To read it, XXII has 4 chunks, and none of them is a take-away pair, so every chunk is added.
| Chunk | Worth | Why |
|---|---|---|
| X | 10 | Add |
| X | 10 | Add |
| I | 1 | Add |
| I | 1 | Add |
The mistake to watch for
Miscounting the letters in XXII
XXII is two X's then two I's, all added together. One letter more or fewer makes a different number: XXI is 21 and XXIII is 23.
Check it with the converter
Change XXII by one letter to see which number you get. The rule numbers it gives are the three rules on the Roman numerals page.
Converter set to XXII (22).
Keep going
Questions parents ask
What is 22 in Roman numerals?
22 is XXII.
What comes before and after XXII?
21 is XXI and 23 is XXIII.
Does XXII use subtraction?
No. Every letter in XXII is the same size as, or smaller than, the letter before it, so you just add them all.
What is the biggest letter in XXII?
X, which is 10. XXII has 4 letters.
Careful reading is an 11+ skill
Reading all 4 letters of XXII in order is the careful checking 11+ papers reward. The free diagnostic covers all four subjects, with no card needed.