2256117682 has 24 divisors (see below), whose sum is σ = 4239520236. Its totient is φ = 892529568.

The previous prime is 2256117673. The next prime is 2256117691. The reversal of 2256117682 is 2867116522.

It is an interprime number because it is at equal distance from previous prime (2256117673) and next prime (2256117691).

It can be written as a sum of positive squares in 2 ways, for example, as 1983900681 + 272217001 = 44541^2 + 16499^2 .

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, 884173 + ... + 886720.

Almost surely, 2^2256117682 is an apocalyptic number.

2256117682 is a deficient number, since it is larger than the sum of its proper divisors (1983402554).

2256117682 is a wasteful number, since it uses less digits than its factorization.

2256117682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770922 (or 1770915 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 2256117682 is about 47498.6071585262. The cubic root of 2256117682 is about 1311.5572418013.

The spelling of 2256117682 in words is "two billion, two hundred fifty-six million, one hundred seventeen thousand, six hundred eighty-two".