2172485572 has 12 divisors (see below), whose sum is σ = 3809659840. Its totient is φ = 1084011336.

The previous prime is 2172485569. The next prime is 2172485591. The reversal of 2172485572 is 2755842712.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555672 + ... + 559567.

Almost surely, 2^2172485572 is an apocalyptic number.

It is an amenable number.

2172485572 is a deficient number, since it is larger than the sum of its proper divisors (1637174268).

2172485572 is a wasteful number, since it uses less digits than its factorization.

2172485572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115730 (or 1115728 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 2172485572 is about 46609.9299720564. The cubic root of 2172485572 is about 1295.1467108671.

The spelling of 2172485572 in words is "two billion, one hundred seventy-two million, four hundred eighty-five thousand, five hundred seventy-two".