22772957272 has 16 divisors (see below), whose sum is σ = 45983856240. Its totient is φ = 10510595616.

The previous prime is 22772957227. The next prime is 22772957279. The reversal of 22772957272 is 27275927722.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22772957279) 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 3 ways as a sum of consecutive naturals, for example, 109485268 + ... + 109485475.

It is an arithmetic number, because the mean of its divisors is an integer number (2873991015).

Almost surely, 2^22772957272 is an apocalyptic number.

It is an amenable number.

22772957272 is an abundant number, since it is smaller than the sum of its proper divisors (23210898968).

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

22772957272 is a wasteful number, since it uses less digits than its factorization.

22772957272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218970762 (or 218970758 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 52.

The spelling of 22772957272 in words is "twenty-two billion, seven hundred seventy-two million, nine hundred fifty-seven thousand, two hundred seventy-two".