2256287117 has 4 divisors (see below), whose sum is σ = 2578613856. Its totient is φ = 1933960380.

The previous prime is 2256287101. The next prime is 2256287129. The reversal of 2256287117 is 7117826522.

2256287117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2256287117 - 2⁴ = 2256287101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256287197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161163359 + ... + 161163372.

It is an arithmetic number, because the mean of its divisors is an integer number (644653464).

Almost surely, 2^2256287117 is an apocalyptic number.

It is an amenable number.

2256287117 is a deficient number, since it is larger than the sum of its proper divisors (322326739).

2256287117 is an equidigital number, since it uses as much as digits as its factorization.

2256287117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322326738.

The product of its digits is 94080, while the sum is 41.

The square root of 2256287117 is about 47500.3907036563. The cubic root of 2256287117 is about 1311.5900737380.

The spelling of 2256287117 in words is "two billion, two hundred fifty-six million, two hundred eighty-seven thousand, one hundred seventeen".