2256641002 has 24 divisors (see below), whose sum is σ = 4295574720. Its totient is φ = 879210360.

The previous prime is 2256640961. The next prime is 2256641017. The reversal of 2256641002 is 2001466522.

It is a super-2 number, since 2×2256641002² = 10184857223815128008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045602 + ... + 1047757.

It is an arithmetic number, because the mean of its divisors is an integer number (178982280).

Almost surely, 2^2256641002 is an apocalyptic number.

2256641002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2256641002 is a deficient number, since it is larger than the sum of its proper divisors (2038933718).

2256641002 is a wasteful number, since it uses less digits than its factorization.

2256641002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093386 (or 2093379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2256641002 is about 47504.1156322271. The cubic root of 2256641002 is about 1311.6586418124.

The spelling of 2256641002 in words is "two billion, two hundred fifty-six million, six hundred forty-one thousand, two".