22979548 has 12 divisors (see below), whose sum is σ = 40283712. Its totient is φ = 11469920.

The previous prime is 22979543. The next prime is 22979549. The reversal of 22979548 is 84597922.

It is a junction number, because it is equal to n+sod(n) for n = 22979498 and 22979507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188 + ... + 7123.

It is an arithmetic number, because the mean of its divisors is an integer number (3356976).

Almost surely, 2^22979548 is an apocalyptic number.

It is an amenable number.

22979548 is a deficient number, since it is larger than the sum of its proper divisors (17304164).

22979548 is a wasteful number, since it uses less digits than its factorization.

22979548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9932 (or 9930 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 22979548 is about 4793.6987806912. The cubic root of 22979548 is about 284.3023791217.

The spelling of 22979548 in words is "twenty-two million, nine hundred seventy-nine thousand, five hundred forty-eight".