22094542472 has 12 divisors (see below), whose sum is σ = 41428055445. Its totient is φ = 11047061024.

The previous prime is 22094542447. The next prime is 22094542493. The reversal of 22094542472 is 27424549022.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 16917164356 + 5177378116 = 130066^2 + 71954^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105106.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 394148 + ... + 446700.

Almost surely, 2^22094542472 is an apocalyptic number.

It is an amenable number.

22094542472 is a deficient number, since it is larger than the sum of its proper divisors (19333512973).

22094542472 is an frugal number, since it uses more digits than its factorization.

22094542472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105112 (or 52555 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 22094542472 in words is "twenty-two billion, ninety-four million, five hundred forty-two thousand, four hundred seventy-two".