2215730872 has 16 divisors (see below), whose sum is σ = 4155051600. Its totient is φ = 1107717120.

The previous prime is 2215730857. The next prime is 2215730911. The reversal of 2215730872 is 2780375122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69597 + ... + 96307.

It is an arithmetic number, because the mean of its divisors is an integer number (259690725).

Almost surely, 2^2215730872 is an apocalyptic number.

It is an amenable number.

2215730872 is a deficient number, since it is larger than the sum of its proper divisors (1939320728).

2215730872 is a wasteful number, since it uses less digits than its factorization.

2215730872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37086 (or 37082 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2215730872 is about 47071.5505586973. The cubic root of 2215730872 is about 1303.6840023070.

The spelling of 2215730872 in words is "two billion, two hundred fifteen million, seven hundred thirty thousand, eight hundred seventy-two".