89922557 has 2 divisors, whose sum is σ = 89922558. Its totient is φ = 89922556.

The previous prime is 89922523. The next prime is 89922559. The reversal of 89922557 is 75522998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86750596 + 3171961 = 9314^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 89922557 - 2²⁴ = 73145341 is a prime.

Together with 89922559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89922559) 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, 44961278 + 44961279.

It is an arithmetic number, because the mean of its divisors is an integer number (44961279).

Almost surely, 2^89922557 is an apocalyptic number.

It is an amenable number.

89922557 is a deficient number, since it is larger than the sum of its proper divisors (1).

89922557 is an equidigital number, since it uses as much as digits as its factorization.

89922557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 89922557 is about 9482.7504976141. The cubic root of 89922557 is about 448.0118994634.

The spelling of 89922557 in words is "eighty-nine million, nine hundred twenty-two thousand, five hundred fifty-seven".