22478772211392 has 112 divisors (see below), whose sum is σ = 68388529386752. Its totient is φ = 6383104404480.

The previous prime is 22478772211351. The next prime is 22478772211411. The reversal of 22478772211392 is 29311227787422.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51085459 + ... + 51523602.

Almost surely, 2^{22478772211392} is an apocalyptic number.

It is an amenable number.

22478772211392 is an abundant number, since it is smaller than the sum of its proper divisors (45909757175360).

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

22478772211392 is a wasteful number, since it uses less digits than its factorization.

22478772211392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102609246 (or 102609236 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 22478772211392 in words is "twenty-two trillion, four hundred seventy-eight billion, seven hundred seventy-two million, two hundred eleven thousand, three hundred ninety-two".