22900979 has 4 divisors (see below), whose sum is σ = 23223600. Its totient is φ = 22578360.

The previous prime is 22900973. The next prime is 22900987. The reversal of 22900979 is 97900922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22900979 - 2⁴ = 22900963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22900973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161204 + ... + 161345.

It is an arithmetic number, because the mean of its divisors is an integer number (5805900).

Almost surely, 2^22900979 is an apocalyptic number.

22900979 is a deficient number, since it is larger than the sum of its proper divisors (322621).

22900979 is an equidigital number, since it uses as much as digits as its factorization.

22900979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322620.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 22900979 is about 4785.4967349273. The cubic root of 22900979 is about 283.9779912522.

The spelling of 22900979 in words is "twenty-two million, nine hundred thousand, nine hundred seventy-nine".