22946565072 has 20 divisors (see below), whose sum is σ = 59278626560. Its totient is φ = 7648855008.

The previous prime is 22946565067. The next prime is 22946565073. The reversal of 22946565072 is 27056564922.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 478053439 = 22946565072 / (2 + 2 + 9 + 4 + 6 + 5 + 6 + 5 + 0 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22946565073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239026672 + ... + 239026767.

It is an arithmetic number, because the mean of its divisors is an integer number (2963931328).

Almost surely, 2^22946565072 is an apocalyptic number.

It is an amenable number.

22946565072 is an abundant number, since it is smaller than the sum of its proper divisors (36332061488).

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

22946565072 is a wasteful number, since it uses less digits than its factorization.

22946565072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478053450 (or 478053444 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 22946565072 in words is "twenty-two billion, nine hundred forty-six million, five hundred sixty-five thousand, seventy-two".