556866224 has 20 divisors (see below), whose sum is σ = 1079651880. Its totient is φ = 278246400.

The previous prime is 556866217. The next prime is 556866241. The reversal of 556866224 is 422668655.

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, 14747 + ... + 36485.

It is an arithmetic number, because the mean of its divisors is an integer number (53982594).

Almost surely, 2^556866224 is an apocalyptic number.

It is an amenable number.

556866224 is a deficient number, since it is larger than the sum of its proper divisors (522785656).

556866224 is a wasteful number, since it uses less digits than its factorization.

556866224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23348 (or 23342 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 556866224 is about 23598.0131367028. The cubic root of 556866224 is about 822.7166609870.

The spelling of 556866224 in words is "five hundred fifty-six million, eight hundred sixty-six thousand, two hundred twenty-four".