22918085 has 12 divisors (see below), whose sum is σ = 29027628. Its totient is φ = 17368128.

The previous prime is 22918073. The next prime is 22918111. The reversal of 22918085 is 58081922.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 16532356 = 2527^2 + 4066^2 .

It is not a de Polignac number, because 22918085 - 2⁴ = 22918069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4544 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (2418969).

Almost surely, 2^22918085 is an apocalyptic number.

It is an amenable number.

22918085 is a deficient number, since it is larger than the sum of its proper divisors (6109543).

22918085 is a wasteful number, since it uses less digits than its factorization.

22918085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740 (or 12721 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 22918085 is about 4787.2836765748. The cubic root of 22918085 is about 284.0486799117.

The spelling of 22918085 in words is "twenty-two million, nine hundred eighteen thousand, eighty-five".