2256247017 has 48 divisors (see below), whose sum is σ = 3522355200. Its totient is φ = 1387380960.

The previous prime is 2256246997. The next prime is 2256247111. The reversal of 2256247017 is 7107426522.

It is a happy number.

2256247017 is a `hidden beast` number, since 2 + 25 + 624 + 7 + 0 + 1 + 7 = 666.

It is not a de Polignac number, because 2256247017 - 2⁸ = 2256246761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256247117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1006584 + ... + 1008822.

It is an arithmetic number, because the mean of its divisors is an integer number (73382400).

Almost surely, 2^2256247017 is an apocalyptic number.

It is an amenable number.

2256247017 is a deficient number, since it is larger than the sum of its proper divisors (1266108183).

2256247017 is a wasteful number, since it uses less digits than its factorization.

2256247017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2256247017 is about 47499.9685999896. The cubic root of 2256247017 is about 1311.5823035872.

The spelling of 2256247017 in words is "two billion, two hundred fifty-six million, two hundred forty-seven thousand, seventeen".