22939987869000 has 96 divisors (see below), whose sum is σ = 77537159027640. Its totient is φ = 6117330096000.

The previous prime is 22939987868957. The next prime is 22939987869017. The reversal of 22939987869000 is 96878993922.

22939987869000 is a `hidden beast` number, since 229 + 399 + 8 + 7 + 8 + 6 + 9 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2863655910756 + 20076331958244 = 1692234^2 + 4480662^2 .

It is a super-2 number, since 2×22939987869000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 22939987869000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274434771 + ... + 1274452770.

Almost surely, 2^{22939987869000} is an apocalyptic number.

22939987869000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22939987869000 is an abundant number, since it is smaller than the sum of its proper divisors (54597171158640).

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

22939987869000 is a wasteful number, since it uses less digits than its factorization.

22939987869000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548887568 (or 2548887551 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 22939987869000 in words is "twenty-two trillion, nine hundred thirty-nine billion, nine hundred eighty-seven million, eight hundred sixty-nine thousand".