2172434570 has 32 divisors (see below), whose sum is σ = 3995899776. Its totient is φ = 850158400.

The previous prime is 2172434549. The next prime is 2172434623. The reversal of 2172434570 is 754342712.

It is a self number, because there is not a number n which added to its sum of digits gives 2172434570.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81332 + ... + 104688.

It is an arithmetic number, because the mean of its divisors is an integer number (124871868).

Almost surely, 2^2172434570 is an apocalyptic number.

2172434570 is a deficient number, since it is larger than the sum of its proper divisors (1823465206).

2172434570 is a wasteful number, since it uses less digits than its factorization.

2172434570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2172434570 is about 46609.3828536701. The cubic root of 2172434570 is about 1295.1365756883.

The spelling of 2172434570 in words is "two billion, one hundred seventy-two million, four hundred thirty-four thousand, five hundred seventy".