22936857 has 12 divisors (see below), whose sum is σ = 32278320. Its totient is φ = 14485752.

The previous prime is 22936831. The next prime is 22936861. The reversal of 22936857 is 75863922.

It is not a de Polignac number, because 22936857 - 2⁷ = 22936729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22936817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9507 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (2689860).

Almost surely, 2^22936857 is an apocalyptic number.

It is an amenable number.

22936857 is a deficient number, since it is larger than the sum of its proper divisors (9341463).

22936857 is a wasteful number, since it uses less digits than its factorization.

22936857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21220 (or 21201 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 22936857 is about 4789.2438860430. The cubic root of 22936857 is about 284.1262126642.

The spelling of 22936857 in words is "twenty-two million, nine hundred thirty-six thousand, eight hundred fifty-seven".