22987812160 has 56 divisors (see below), whose sum is σ = 54755917920. Its totient is φ = 9192405504.

The previous prime is 22987812151. The next prime is 22987812161. The reversal of 22987812160 is 6121878922.

It is a self number, because there is not a number n which added to its sum of digits gives 22987812160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22987812161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341567 + ... + 1358593.

Almost surely, 2^22987812160 is an apocalyptic number.

22987812160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22987812160 is an abundant number, since it is smaller than the sum of its proper divisors (31768105760).

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

22987812160 is a wasteful number, since it uses less digits than its factorization.

22987812160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21263 (or 21253 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 22987812160 in words is "twenty-two billion, nine hundred eighty-seven million, eight hundred twelve thousand, one hundred sixty".