22979975 has 12 divisors (see below), whose sum is σ = 28554720. Its totient is φ = 18345600.

The previous prime is 22979963. The next prime is 22979993. The reversal of 22979975 is 57997922.

It is not a de Polignac number, because 22979975 - 2¹⁶ = 22914439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22271 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (2379560).

Almost surely, 2^22979975 is an apocalyptic number.

22979975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22979975 is a deficient number, since it is larger than the sum of its proper divisors (5574745).

22979975 is a wasteful number, since it uses less digits than its factorization.

22979975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1925 counting only the distinct ones).

The product of its digits is 714420, while the sum is 50.

The square root of 22979975 is about 4793.7433181179. The cubic root of 22979975 is about 284.3041400552.

The spelling of 22979975 in words is "twenty-two million, nine hundred seventy-nine thousand, nine hundred seventy-five".