22979919906 has 24 divisors (see below), whose sum is σ = 50947731120. Its totient is φ = 7481834136.

The previous prime is 22979919889. The next prime is 22979919913. The reversal of 22979919906 is 60991997922.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14844136 + ... + 14845683.

It is an arithmetic number, because the mean of its divisors is an integer number (2122822130).

Almost surely, 2^22979919906 is an apocalyptic number.

22979919906 is an abundant number, since it is smaller than the sum of its proper divisors (27967811214).

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

22979919906 is a wasteful number, since it uses less digits than its factorization.

22979919906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29689870 (or 29689867 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 63.

The spelling of 22979919906 in words is "twenty-two billion, nine hundred seventy-nine million, nine hundred nineteen thousand, nine hundred six".