2172275568 has 30 divisors (see below), whose sum is σ = 6079354944. Its totient is φ = 724091808.

The previous prime is 2172275531. The next prime is 2172275597. The reversal of 2172275568 is 8655722712.

2172275568 is a `hidden beast` number, since 2 + 1 + 72 + 27 + 556 + 8 = 666.

It is a super-2 number, since 2×2172275568² = 9437562286659445248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7542480 + ... + 7542767.

Almost surely, 2^2172275568 is an apocalyptic number.

It is an amenable number.

2172275568 is an abundant number, since it is smaller than the sum of its proper divisors (3907079376).

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

2172275568 is a wasteful number, since it uses less digits than its factorization.

2172275568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085261 (or 15085252 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 2172275568 is about 46607.6771358539. The cubic root of 2172275568 is about 1295.1049776012.

The spelling of 2172275568 in words is "two billion, one hundred seventy-two million, two hundred seventy-five thousand, five hundred sixty-eight".