22176725672 has 32 divisors (see below), whose sum is σ = 45672897600. Its totient is φ = 10048034304.

The previous prime is 22176725663. The next prime is 22176725687. The reversal of 22176725672 is 27652767122.

It is a super-2 number, since 2×22176725672² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3168233 + ... + 3175224.

It is an arithmetic number, because the mean of its divisors is an integer number (1427278050).

Almost surely, 2^22176725672 is an apocalyptic number.

It is an amenable number.

22176725672 is an abundant number, since it is smaller than the sum of its proper divisors (23496171928).

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

22176725672 is a wasteful number, since it uses less digits than its factorization.

22176725672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343505 (or 6343501 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The spelling of 22176725672 in words is "twenty-two billion, one hundred seventy-six million, seven hundred twenty-five thousand, six hundred seventy-two".