2172274600 has 48 divisors (see below), whose sum is σ = 5053605120. Its totient is φ = 868382400.

The previous prime is 2172274571. The next prime is 2172274633. The reversal of 2172274600 is 64722712.

It is a hoax number, since the sum of its digits (31) 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 11 ways as a sum of consecutive naturals, for example, 638905 + ... + 642295.

It is an arithmetic number, because the mean of its divisors is an integer number (105283440).

Almost surely, 2^2172274600 is an apocalyptic number.

2172274600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172274600 is an abundant number, since it is smaller than the sum of its proper divisors (2881330520).

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

2172274600 is a wasteful number, since it uses less digits than its factorization.

2172274600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610 (or 6601 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2172274600 is about 46607.6667512975. Note that the first 3 decimals coincide. The cubic root of 2172274600 is about 1295.1047852282.

The spelling of 2172274600 in words is "two billion, one hundred seventy-two million, two hundred seventy-four thousand, six hundred".