212282201 has 2 divisors, whose sum is σ = 212282202. Its totient is φ = 212282200.

The previous prime is 212282183. The next prime is 212282207. The reversal of 212282201 is 102282212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200958976 + 11323225 = 14176^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 212282201 - 2⁶ = 212282137 is a prime.

It is a super-2 number, since 2×212282201² = 90127465722808802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212282207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106141100 + 106141101.

It is an arithmetic number, because the mean of its divisors is an integer number (106141101).

Almost surely, 2^212282201 is an apocalyptic number.

It is an amenable number.

212282201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212282201 is an equidigital number, since it uses as much as digits as its factorization.

212282201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 212282201 is about 14569.9073778799. The cubic root of 212282201 is about 596.5376521962.

The spelling of 212282201 in words is "two hundred twelve million, two hundred eighty-two thousand, two hundred one".