22901089 has 2 divisors, whose sum is σ = 22901090. Its totient is φ = 22901088.

The previous prime is 22901063. The next prime is 22901093. The reversal of 22901089 is 98010922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12306064 + 10595025 = 3508^2 + 3255^2 .

It is a cyclic number.

It is not a de Polignac number, because 22901089 - 2⁷ = 22900961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22901089.

It is not a weakly prime, because it can be changed into another prime (22901029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11450544 + 11450545.

It is an arithmetic number, because the mean of its divisors is an integer number (11450545).

Almost surely, 2^22901089 is an apocalyptic number.

It is an amenable number.

22901089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22901089 is an equidigital number, since it uses as much as digits as its factorization.

22901089 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 31.

The square root of 22901089 is about 4785.5082279733. The cubic root of 22901089 is about 283.9784459275.

The spelling of 22901089 in words is "twenty-two million, nine hundred one thousand, eighty-nine".