22333872 has 40 divisors (see below), whose sum is σ = 62942400. Its totient is φ = 6767680.

The previous prime is 22333867. The next prime is 22333901. The reversal of 22333872 is 27833322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20622 + ... + 21677.

It is an arithmetic number, because the mean of its divisors is an integer number (1573560).

Almost surely, 2^22333872 is an apocalyptic number.

22333872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22333872 is an abundant number, since it is smaller than the sum of its proper divisors (40608528).

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

22333872 is a wasteful number, since it uses less digits than its factorization.

22333872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42321 (or 42315 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 22333872 is about 4725.8726178347. The cubic root of 22333872 is about 281.6142807625.

It can be divided in two parts, 2233 and 3872, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 22333872 in words is "twenty-two million, three hundred thirty-three thousand, eight hundred seventy-two".