Q: What is the negative version of the number 221,424,217?
A: -221,424,217
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:
| 221,424,215 | 221,424,216 | 221,424,218 | 221,424,219 |
| -221,424,215 | -221,424,216 | -221,424,218 | -221,424,219 |