22979629420 has 48 divisors (see below), whose sum is σ = 55415001600. Its totient is φ = 7916425920.

The previous prime is 22979629399. The next prime is 22979629423. The reversal of 22979629420 is 2492697922.

It is not an unprimeable number, because it can be changed into a prime (22979629423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744580 + ... + 2752939.

It is an arithmetic number, because the mean of its divisors is an integer number (1154479200).

Almost surely, 2^22979629420 is an apocalyptic number.

22979629420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22979629420 is an abundant number, since it is smaller than the sum of its proper divisors (32435372180).

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

22979629420 is a wasteful number, since it uses less digits than its factorization.

22979629420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497558 (or 5497556 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 22979629420 in words is "twenty-two billion, nine hundred seventy-nine million, six hundred twenty-nine thousand, four hundred twenty".