2256215464 has 32 divisors (see below), whose sum is σ = 4369904640. Its totient is φ = 1090958400.

The previous prime is 2256215447. The next prime is 2256215473. The reversal of 2256215464 is 4645126522.

It is a happy number.

2256215464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 546769 + ... + 550879.

It is an arithmetic number, because the mean of its divisors is an integer number (136559520).

Almost surely, 2^2256215464 is an apocalyptic number.

It is an amenable number.

2256215464 is a deficient number, since it is larger than the sum of its proper divisors (2113689176).

2256215464 is a wasteful number, since it uses less digits than its factorization.

2256215464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361 (or 6357 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 2256215464 is about 47499.6364617667. The cubic root of 2256215464 is about 1311.5761895182.

The spelling of 2256215464 in words is "two billion, two hundred fifty-six million, two hundred fifteen thousand, four hundred sixty-four".