22172105263554 has 12 divisors (see below), whose sum is σ = 48039561404406. Its totient is φ = 7390701754512.

The previous prime is 22172105263541. The next prime is 22172105263579. The reversal of 22172105263554 is 45536250127122.

It is a happy number.

22172105263554 is a `hidden beast` number, since 2 + 2 + 1 + 7 + 2 + 1 + 0 + 5 + 2 + 635 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15640640780625 + 6531464482929 = 3954825^2 + 2555673^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615891812859 + ... + 615891812894.

Almost surely, 2^{22172105263554} is an apocalyptic number.

22172105263554 is an abundant number, since it is smaller than the sum of its proper divisors (25867456140852).

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

22172105263554 is a wasteful number, since it uses less digits than its factorization.

22172105263554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231783625761 (or 1231783625758 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 22172105263554 in words is "twenty-two trillion, one hundred seventy-two billion, one hundred five million, two hundred sixty-three thousand, five hundred fifty-four".