22979139 has 8 divisors (see below), whose sum is σ = 31971072. Its totient is φ = 14653320.

The previous prime is 22979119. The next prime is 22979167. The reversal of 22979139 is 93197922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22979139 - 2²³ = 14590531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22979139.

It is not an unprimeable number, because it can be changed into a prime (22979119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166447 + ... + 166584.

It is an arithmetic number, because the mean of its divisors is an integer number (3996384).

Almost surely, 2^22979139 is an apocalyptic number.

22979139 is a deficient number, since it is larger than the sum of its proper divisors (8991933).

22979139 is a wasteful number, since it uses less digits than its factorization.

22979139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333057.

The product of its digits is 61236, while the sum is 42.

The square root of 22979139 is about 4793.6561203324. The cubic root of 22979139 is about 284.3006923992.

It can be divided in two parts, 2297913 and 9, that added together give a palindrome (2297922).

The spelling of 22979139 in words is "twenty-two million, nine hundred seventy-nine thousand, one hundred thirty-nine".