Q: What is the negative version of the number 221,624,144?
A: -221,624,144
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:
| 221,624,142 | 221,624,143 | 221,624,145 | 221,624,146 |
| -221,624,142 | -221,624,143 | -221,624,145 | -221,624,146 |