22874472 has 24 divisors (see below), whose sum is σ = 61951890. Its totient is φ = 7624800.

The previous prime is 22874471. The next prime is 22874483. The reversal of 22874472 is 27447822.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 1028196 = 4674^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22874471) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 158779 + ... + 158922.

Almost surely, 2^22874472 is an apocalyptic number.

It is an amenable number.

22874472 is an abundant number, since it is smaller than the sum of its proper divisors (39077418).

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

22874472 is a wasteful number, since it uses less digits than its factorization.

22874472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317713 (or 317706 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 22874472 is about 4782.7264191045. The cubic root of 22874472 is about 283.8683844284.

The spelling of 22874472 in words is "twenty-two million, eight hundred seventy-four thousand, four hundred seventy-two".