22736639072 has 24 divisors (see below), whose sum is σ = 51157438416. Its totient is φ = 9744273792.

The previous prime is 22736639041. The next prime is 22736639099. The reversal of 22736639072 is 27093663722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50751203 + ... + 50751650.

It is an arithmetic number, because the mean of its divisors is an integer number (2131559934).

Almost surely, 2^22736639072 is an apocalyptic number.

It is an amenable number.

22736639072 is an abundant number, since it is smaller than the sum of its proper divisors (28420799344).

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

22736639072 is a wasteful number, since it uses less digits than its factorization.

22736639072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101502870 (or 101502862 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 22736639072 in words is "twenty-two billion, seven hundred thirty-six million, six hundred thirty-nine thousand, seventy-two".