22479568 has 10 divisors (see below), whose sum is σ = 43554194. Its totient is φ = 11239776.

The previous prime is 22479563. The next prime is 22479571. The reversal of 22479568 is 86597422.

It can be written as a sum of positive squares in only one way, i.e., 21455424 + 1024144 = 4632^2 + 1012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22479563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702471 + ... + 702502.

Almost surely, 2^22479568 is an apocalyptic number.

It is an amenable number.

22479568 is a deficient number, since it is larger than the sum of its proper divisors (21074626).

22479568 is a wasteful number, since it uses less digits than its factorization.

22479568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404981 (or 1404975 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 22479568 is about 4741.2622791826. The cubic root of 22479568 is about 282.2253283483.

The spelling of 22479568 in words is "twenty-two million, four hundred seventy-nine thousand, five hundred sixty-eight".