2197307872 has 12 divisors (see below), whose sum is σ = 4325949936. Its totient is φ = 1098653920.

The previous prime is 2197307831. The next prime is 2197307891. The reversal of 2197307872 is 2787037912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34332904 + ... + 34332967.

It is an arithmetic number, because the mean of its divisors is an integer number (360495828).

Almost surely, 2^2197307872 is an apocalyptic number.

It is an amenable number.

2197307872 is a deficient number, since it is larger than the sum of its proper divisors (2128642064).

2197307872 is an equidigital number, since it uses as much as digits as its factorization.

2197307872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68665881 (or 68665873 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 2197307872 is about 46875.4506325006. The cubic root of 2197307872 is about 1300.0607214241.

The spelling of 2197307872 in words is "two billion, one hundred ninety-seven million, three hundred seven thousand, eight hundred seventy-two".