22475889 has 6 divisors (see below), whose sum is σ = 32465186. Its totient is φ = 14983920.

The previous prime is 22475857. The next prime is 22475891. The reversal of 22475889 is 98857422.

22475889 is a `hidden beast` number, since 22 + 47 + 588 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19289664 + 3186225 = 4392^2 + 1785^2 .

It is not a de Polignac number, because 22475889 - 2⁵ = 22475857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22475839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1248652 + ... + 1248669.

Almost surely, 2^22475889 is an apocalyptic number.

It is an amenable number.

22475889 is a deficient number, since it is larger than the sum of its proper divisors (9989297).

22475889 is a wasteful number, since it uses less digits than its factorization.

22475889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497327 (or 2497324 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 22475889 is about 4740.8742864581. The cubic root of 22475889 is about 282.2099312014.

The spelling of 22475889 in words is "twenty-two million, four hundred seventy-five thousand, eight hundred eighty-nine".