22979020 has 24 divisors (see below), whose sum is σ = 49921200. Its totient is φ = 8874432.

The previous prime is 22978997. The next prime is 22979023. The reversal of 22979020 is 2097922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979023) by changing a digit.

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, 19230 + ... + 20389.

It is an arithmetic number, because the mean of its divisors is an integer number (2080050).

Almost surely, 2^22979020 is an apocalyptic number.

22979020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22979020 is an abundant number, since it is smaller than the sum of its proper divisors (26942180).

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

22979020 is a wasteful number, since it uses less digits than its factorization.

22979020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39657 (or 39655 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 22979020 is about 4793.6437080784. The cubic root of 22979020 is about 284.3002016375.

The spelling of 22979020 in words is "twenty-two million, nine hundred seventy-nine thousand, twenty".