22464672 has 24 divisors (see below), whose sum is σ = 58970016. Its totient is φ = 7488192.

The previous prime is 22464643. The next prime is 22464683. The reversal of 22464672 is 27646422.

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

It is a super-2 number, since 2×22464672² = 1009322976135168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116908 + ... + 117099.

It is an arithmetic number, because the mean of its divisors is an integer number (2457084).

Almost surely, 2^22464672 is an apocalyptic number.

It is an amenable number.

22464672 is an abundant number, since it is smaller than the sum of its proper divisors (36505344).

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

22464672 is a wasteful number, since it uses less digits than its factorization.

22464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234020 (or 234012 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 22464672 is about 4739.6911291771. The cubic root of 22464672 is about 282.1629760613.

The spelling of 22464672 in words is "twenty-two million, four hundred sixty-four thousand, six hundred seventy-two".