22851064666400 has 72 divisors (see below), whose sum is σ = 55790856383220. Its totient is φ = 9139492776960.

The previous prime is 22851064666343. The next prime is 22851064666427. The reversal of 22851064666400 is 466646015822.

It can be written as a sum of positive squares in 6 ways, for example, as 11177280443536 + 11673784222864 = 3343244^2 + 3416692^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6410162 + ... + 9316238.

Almost surely, 2^{22851064666400} is an apocalyptic number.

22851064666400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22851064666400 is an abundant number, since it is smaller than the sum of its proper divisors (32939791716820).

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

22851064666400 is a wasteful number, since it uses less digits than its factorization.

22851064666400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915926 (or 2915913 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 22851064666400 in words is "twenty-two trillion, eight hundred fifty-one billion, sixty-four million, six hundred sixty-six thousand, four hundred".