22979397 has 32 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 12515328.

The previous prime is 22979387. The next prime is 22979413. The reversal of 22979397 is 79397922.

It is not a de Polignac number, because 22979397 - 2¹¹ = 22977349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979347) 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 31 ways as a sum of consecutive naturals, for example, 58879 + ... + 59267.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^22979397 is an apocalyptic number.

It is an amenable number.

22979397 is a deficient number, since it is larger than the sum of its proper divisors (13711803).

22979397 is a wasteful number, since it uses less digits than its factorization.

22979397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 428652, while the sum is 48.

The square root of 22979397 is about 4793.6830308230. The cubic root of 22979397 is about 284.3017563976.

The spelling of 22979397 in words is "twenty-two million, nine hundred seventy-nine thousand, three hundred ninety-seven".