2256548564 has 12 divisors (see below), whose sum is σ = 4023469044. Its totient is φ = 1106985984.

The previous prime is 2256548549. The next prime is 2256548579. The reversal of 2256548564 is 4658456522.

It is an interprime number because it is at equal distance from previous prime (2256548549) and next prime (2256548579).

It can be written as a sum of positive squares in 2 ways, for example, as 1112756164 + 1143792400 = 33358^2 + 33820^2 .

It is a super-2 number, since 2×2256548564² = 10184022843380924192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321837 + ... + 5322260.

It is an arithmetic number, because the mean of its divisors is an integer number (335289087).

Almost surely, 2^2256548564 is an apocalyptic number.

It is an amenable number.

2256548564 is a deficient number, since it is larger than the sum of its proper divisors (1766920480).

2256548564 is a wasteful number, since it uses less digits than its factorization.

2256548564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644154 (or 10644152 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The square root of 2256548564 is about 47503.1426749852. The cubic root of 2256548564 is about 1311.6407318957.

The spelling of 2256548564 in words is "two billion, two hundred fifty-six million, five hundred forty-eight thousand, five hundred sixty-four".