Square Root Calculator › Square root of 221
Square Root of 221
√221 ≈ 14.866069
221 is not a perfect square, so √221 is an irrational number that is approximately 14.866069. In simplified radical form, √221 = √221.
√221 lies between √196 = 14 and √225 = 15.
| Number | 221 |
| Square root (decimal) | 14.866069 |
| Simplified radical | √221 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 221 a perfect square?
No, 221 is not a perfect square, so its square root is irrational and approximately 14.866069.
What is the square root of 221 in simplest radical form?
√221 = √221 in simplest radical form.