22979974 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 11156040.

The previous prime is 22979963. The next prime is 22979993. The reversal of 22979974 is 47997922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15727 + ... + 17125.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^22979974 is an apocalyptic number.

22979974 is a deficient number, since it is larger than the sum of its proper divisors (12501626).

22979974 is a wasteful number, since it uses less digits than its factorization.

22979974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its digits is 571536, while the sum is 49.

The square root of 22979974 is about 4793.7432138153. The cubic root of 22979974 is about 284.3041359312.

The spelling of 22979974 in words is "twenty-two million, nine hundred seventy-nine thousand, nine hundred seventy-four".