Q: What is the negative version of the number 21,551,225?
A: -21,551,225
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:
| 21,551,223 | 21,551,224 | 21,551,226 | 21,551,227 |
| -21,551,223 | -21,551,224 | -21,551,226 | -21,551,227 |