22799772216 has 64 divisors (see below), whose sum is σ = 68204455200. Its totient is φ = 7015313664.

The previous prime is 22799772211. The next prime is 22799772217. The reversal of 22799772216 is 61227799722.

It is a happy number.

22799772216 is a `hidden beast` number, since 2 + 279 + 97 + 72 + 216 = 666.

It is a super-2 number, since 2×22799772216² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799772211) 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 15 ways as a sum of consecutive naturals, for example, 4056981 + ... + 4062596.

Almost surely, 2^22799772216 is an apocalyptic number.

22799772216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22799772216 is an abundant number, since it is smaller than the sum of its proper divisors (45404682984).

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

22799772216 is a wasteful number, since it uses less digits than its factorization.

22799772216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119605 (or 8119595 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 22799772216 in words is "twenty-two billion, seven hundred ninety-nine million, seven hundred seventy-two thousand, two hundred sixteen".