90892211 has 2 divisors, whose sum is σ = 90892212. Its totient is φ = 90892210.

The previous prime is 90892199. The next prime is 90892213. The reversal of 90892211 is 11229809.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90892211 - 2⁶ = 90892147 is a prime.

It is a super-2 number, since 2×90892211² = 16522788040937042, which contains 22 as substring.

Together with 90892213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90892213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45446105 + 45446106.

It is an arithmetic number, because the mean of its divisors is an integer number (45446106).

Almost surely, 2^90892211 is an apocalyptic number.

90892211 is a deficient number, since it is larger than the sum of its proper divisors (1).

90892211 is an equidigital number, since it uses as much as digits as its factorization.

90892211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 90892211 is about 9533.7406614613. The cubic root of 90892211 is about 449.6164814645.

The spelling of 90892211 in words is "ninety million, eight hundred ninety-two thousand, two hundred eleven".