2182031256 has 16 divisors (see below), whose sum is σ = 5455078200. Its totient is φ = 727343744.

The previous prime is 2182031233. The next prime is 2182031333. The reversal of 2182031256 is 6521302812.

It is a super-2 number, since 2×2182031256² = 9522520804321875072, which contains 22 as substring.

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, 45458961 + ... + 45459008.

Almost surely, 2^2182031256 is an apocalyptic number.

It is an amenable number.

2182031256 is an abundant number, since it is smaller than the sum of its proper divisors (3273046944).

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

2182031256 is a wasteful number, since it uses less digits than its factorization.

2182031256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90917978 (or 90917974 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2182031256 is about 46712.2174168600. The cubic root of 2182031256 is about 1297.0408543183.

The spelling of 2182031256 in words is "two billion, one hundred eighty-two million, thirty-one thousand, two hundred fifty-six".