2256217612 has 24 divisors (see below), whose sum is σ = 4309944912. Its totient is φ = 1024929600.

The previous prime is 2256217597. The next prime is 2256217627. The reversal of 2256217612 is 2167126522.

It is an interprime number because it is at equal distance from previous prime (2256217597) and next prime (2256217627).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61878 + ... + 91330.

It is an arithmetic number, because the mean of its divisors is an integer number (179581038).

Almost surely, 2^2256217612 is an apocalyptic number.

2256217612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2256217612 is a deficient number, since it is larger than the sum of its proper divisors (2053727300).

2256217612 is a wasteful number, since it uses less digits than its factorization.

2256217612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31209 (or 31207 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 2256217612 is about 47499.6590724607. The cubic root of 2256217612 is about 1311.5766057410.

The spelling of 2256217612 in words is "two billion, two hundred fifty-six million, two hundred seventeen thousand, six hundred twelve".