22875858 has 20 divisors (see below), whose sum is σ = 51259230. Its totient is φ = 7625232.

The previous prime is 22875857. The next prime is 22875859. The reversal of 22875858 is 85857822.

It is an interprime number because it is at equal distance from previous prime (22875857) and next prime (22875859).

It can be written as a sum of positive squares in only one way, i.e., 21650409 + 1225449 = 4653^2 + 1107^2 .

It is not an unprimeable number, because it can be changed into a prime (22875857) 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 in 9 ways as a sum of consecutive naturals, for example, 70443 + ... + 70766.

Almost surely, 2^22875858 is an apocalyptic number.

22875858 is an abundant number, since it is smaller than the sum of its proper divisors (28383372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22875858 is a wasteful number, since it uses less digits than its factorization.

22875858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141223 (or 141214 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 22875858 is about 4782.8713133431. The cubic root of 22875858 is about 283.8741176556.

The spelling of 22875858 in words is "twenty-two million, eight hundred seventy-five thousand, eight hundred fifty-eight".