22072025172 has 48 divisors (see below), whose sum is σ = 53545318400. Its totient is φ = 7068768480.

The previous prime is 22072025161. The next prime is 22072025197. The reversal of 22072025172 is 27152027022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161722 + ... + 265137.

Almost surely, 2^22072025172 is an apocalyptic number.

It is an amenable number.

22072025172 is an abundant number, since it is smaller than the sum of its proper divisors (31473293228).

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

22072025172 is a wasteful number, since it uses less digits than its factorization.

22072025172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427036 (or 427034 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The spelling of 22072025172 in words is "twenty-two billion, seventy-two million, twenty-five thousand, one hundred seventy-two".