Q: What is the negative version of the number 13,566,221?
A: -13,566,221
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:
| 13,566,219 | 13,566,220 | 13,566,222 | 13,566,223 |
| -13,566,219 | -13,566,220 | -13,566,222 | -13,566,223 |