2256516244 has 12 divisors (see below), whose sum is σ = 3970965600. Its totient is φ = 1121954648.

The previous prime is 2256516239. The next prime is 2256516253. The reversal of 2256516244 is 4426156522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1575064 + ... + 1576495.

It is an arithmetic number, because the mean of its divisors is an integer number (330913800).

Almost surely, 2^2256516244 is an apocalyptic number.

It is an amenable number.

2256516244 is a deficient number, since it is larger than the sum of its proper divisors (1714449356).

2256516244 is a wasteful number, since it uses less digits than its factorization.

2256516244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151742 (or 3151740 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 2256516244 is about 47502.8024857481. The cubic root of 2256516244 is about 1311.6344697613.

It can be divided in two parts, 22565 and 16244, that added together give a square (38809 = 197²).

The spelling of 2256516244 in words is "two billion, two hundred fifty-six million, five hundred sixteen thousand, two hundred forty-four".