2172858296 has 32 divisors (see below), whose sum is σ = 4666688640. Its totient is φ = 929112288.

The previous prime is 2172858287. The next prime is 2172858319. The reversal of 2172858296 is 6928582712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18986 + ... + 68601.

It is an arithmetic number, because the mean of its divisors is an integer number (145834020).

Almost surely, 2^2172858296 is an apocalyptic number.

It is an amenable number.

2172858296 is an abundant number, since it is smaller than the sum of its proper divisors (2493830344).

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

2172858296 is a wasteful number, since it uses less digits than its factorization.

2172858296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88043 (or 88039 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 2172858296 is about 46613.9281331235. The cubic root of 2172858296 is about 1295.2207742142.

The spelling of 2172858296 in words is "two billion, one hundred seventy-two million, eight hundred fifty-eight thousand, two hundred ninety-six".