22979901 has 16 divisors (see below), whose sum is σ = 35086464. Its totient is φ = 13105344.

The previous prime is 22979893. The next prime is 22979909. The reversal of 22979901 is 10997922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22979893) and next prime (22979909).

It is not a de Polignac number, because 22979901 - 2³ = 22979893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22979901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16051 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (2192904).

Almost surely, 2^22979901 is an apocalyptic number.

22979901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22979901 is a deficient number, since it is larger than the sum of its proper divisors (12106563).

22979901 is a wasteful number, since it uses less digits than its factorization.

22979901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 22979901 is about 4793.7355997176. The cubic root of 22979901 is about 284.3038348832.

The spelling of 22979901 in words is "twenty-two million, nine hundred seventy-nine thousand, nine hundred one".