Q: What is the negative version of the number 21,221,225?
A: -21,221,225
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,221,223 | 21,221,224 | 21,221,226 | 21,221,227 |
| -21,221,223 | -21,221,224 | -21,221,226 | -21,221,227 |