Talen 2225 till 2231 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2225 | = | MMCCXXV | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 5 |
| 2226 | = | MMCCXXVI | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 5 + 1 |
| 2227 | = | MMCCXXVII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 5 + 1 + 1 |
| 2228 | = | MMCCXXVIII | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2229 | = | MMCCXXIX | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 − 1 |
| 2230 | = | MMCCXXX | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 |
| 2231 | = | MMCCXXXI | = | 1000 + 1000 + 100 + 100 + 10 + 10 + 10 + 1 |