2256656502 has 8 divisors (see below), whose sum is σ = 4513313016. Its totient is φ = 752218832.

The previous prime is 2256656497. The next prime is 2256656503. The reversal of 2256656502 is 2056566522.

It is a sphenic number, since it is the product of 3 distinct primes.

2256656502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256656503) 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, 188054703 + ... + 188054714.

It is an arithmetic number, because the mean of its divisors is an integer number (564164127).

Almost surely, 2^2256656502 is an apocalyptic number.

2256656502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256656502 is a wasteful number, since it uses less digits than its factorization.

2256656502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376109422.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2256656502 is about 47504.2787757061. The cubic root of 2256656502 is about 1311.6616448986.

The spelling of 2256656502 in words is "two billion, two hundred fifty-six million, six hundred fifty-six thousand, five hundred two".