22578427220400 has 240 divisors, whose sum is σ = 82231372629120. Its totient is φ = 5880892550400.

The previous prime is 22578427220387. The next prime is 22578427220429. The reversal of 22578427220400 is 402272487522.

It is a happy number.

22578427220400 is a `hidden beast` number, since 2 + 2 + 578 + 4 + 2 + 72 + 2 + 0 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23844846 + ... + 24773645.

It is an arithmetic number, because the mean of its divisors is an integer number (342630719288).

Almost surely, 2^{22578427220400} is an apocalyptic number.

22578427220400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22578427220400 is an abundant number, since it is smaller than the sum of its proper divisors (59652945408720).

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

22578427220400 is a wasteful number, since it uses less digits than its factorization.

22578427220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48618561 (or 48618544 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The spelling of 22578427220400 in words is "twenty-two trillion, five hundred seventy-eight billion, four hundred twenty-seven million, two hundred twenty thousand, four hundred".