22979190 has 32 divisors (see below), whose sum is σ = 59393376. Its totient is φ = 5656320.

The previous prime is 22979179. The next prime is 22979219. The reversal of 22979190 is 9197922.

22979190 = 264² + 265² + ... + 443².

It is a happy number.

It is a super-2 number, since 2×22979190² = 1056086346112200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29071 + ... + 29850.

It is an arithmetic number, because the mean of its divisors is an integer number (1856043).

Almost surely, 2^22979190 is an apocalyptic number.

22979190 is an abundant number, since it is smaller than the sum of its proper divisors (36414186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22979190 is a wasteful number, since it uses less digits than its factorization.

22979190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58944.

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

The square root of 22979190 is about 4793.6614398599. The cubic root of 22979190 is about 284.3009027251.

The spelling of 22979190 in words is "twenty-two million, nine hundred seventy-nine thousand, one hundred ninety".