2256803901 has 12 divisors (see below), whose sum is σ = 3556176000. Its totient is φ = 1367759880.

The previous prime is 2256803891. The next prime is 2256803903. The reversal of 2256803901 is 1093086522.

2256803901 is a `hidden beast` number, since 2 + 2 + 568 + 0 + 3 + 90 + 1 = 666.

It is not a de Polignac number, because 2256803901 - 2⁶ = 2256803837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256803903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11397901 + ... + 11398098.

It is an arithmetic number, because the mean of its divisors is an integer number (296348000).

Almost surely, 2^2256803901 is an apocalyptic number.

It is an amenable number.

2256803901 is a deficient number, since it is larger than the sum of its proper divisors (1299372099).

2256803901 is a wasteful number, since it uses less digits than its factorization.

2256803901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22796016 (or 22796013 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2256803901 is about 47505.8301790422. The cubic root of 2256803901 is about 1311.6902023988.

The spelling of 2256803901 in words is "two billion, two hundred fifty-six million, eight hundred three thousand, nine hundred one".