√822 = 28.6705423737. 822 is not a perfect square; the result is irrational.

Is 822 a perfect square?

No, 822 is not a perfect square. Its square root is irrational.

What is 28.6705423737 squared?

28.6705423737 squared is approximately 822. (28.6705423737)² ≈ 822

Instant answer with step-by-step solution

√822 = 28.6705423737

√822 = 28.6705423737

⚠ 822 is not a perfect square — result rounded to 10 significant figures

We need to find √822 — a number that when multiplied by itself equals 822.
822 is not a perfect square. Its square root is irrational.
It falls between √784 = 28 and √841 = 29.
Using the formula √N = N^(1/2): √822 = 822^0.5 = 28.6705423737
Verification: 28.6705423737 × 28.6705423737 ≈ 822 ✓ (rounded to 10 significant figures)

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