22055694430572 has 72 divisors (see below), whose sum is σ = 60858768210240. Its totient is φ = 6679310807520.

The previous prime is 22055694430543. The next prime is 22055694430573. The reversal of 22055694430572 is 27503449655022.

22055694430572 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 5 + 69 + 4 + 4 + 3 + 0 + 572 = 666.

It is not an unprimeable number, because it can be changed into a prime (22055694430573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17011258 + ... + 18261825.

Almost surely, 2^{22055694430572} is an apocalyptic number.

22055694430572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22055694430572 is an abundant number, since it is smaller than the sum of its proper divisors (38803073779668).

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

22055694430572 is a wasteful number, since it uses less digits than its factorization.

22055694430572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35274683 (or 35274678 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 22055694430572 in words is "twenty-two trillion, fifty-five billion, six hundred ninety-four million, four hundred thirty thousand, five hundred seventy-two".