2256886828 has 24 divisors (see below), whose sum is σ = 4538721824. Its totient is φ = 961891200.

The previous prime is 2256886811. The next prime is 2256886859. The reversal of 2256886828 is 8286886522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217593 + ... + 227728.

Almost surely, 2^2256886828 is an apocalyptic number.

2256886828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2256886828 is an abundant number, since it is smaller than the sum of its proper divisors (2281834996).

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

2256886828 is a wasteful number, since it uses less digits than its factorization.

2256886828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445513 (or 445511 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 55.

The square root of 2256886828 is about 47506.7029796849. The cubic root of 2256886828 is about 1311.7062683643.

The spelling of 2256886828 in words is "two billion, two hundred fifty-six million, eight hundred eighty-six thousand, eight hundred twenty-eight".