22474812 has 24 divisors (see below), whose sum is σ = 52519936. Its totient is φ = 7480368.

The previous prime is 22474807. The next prime is 22474813. The reversal of 22474812 is 21847422.

It is a self number, because there is not a number n which added to its sum of digits gives 22474812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22474813) 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 7 ways as a sum of consecutive naturals, for example, 12183 + ... + 13905.

Almost surely, 2^22474812 is an apocalyptic number.

It is an amenable number.

22474812 is an abundant number, since it is smaller than the sum of its proper divisors (30045124).

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

22474812 is a wasteful number, since it uses less digits than its factorization.

22474812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 22474812 is about 4740.7606984534. The cubic root of 22474812 is about 282.2054234828.

The spelling of 22474812 in words is "twenty-two million, four hundred seventy-four thousand, eight hundred twelve".