556222856 has 32 divisors (see below), whose sum is σ = 1201020480. Its totient is φ = 236558400.

The previous prime is 556222841. The next prime is 556222859. The reversal of 556222856 is 658222655.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (556222859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30575 + ... + 45246.

It is an arithmetic number, because the mean of its divisors is an integer number (37531890).

Almost surely, 2^556222856 is an apocalyptic number.

556222856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

556222856 is an abundant number, since it is smaller than the sum of its proper divisors (644797624).

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

556222856 is a wasteful number, since it uses less digits than its factorization.

556222856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75965 (or 75961 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 556222856 is about 23584.3773714720. The cubic root of 556222856 is about 822.3997006325.

The spelling of 556222856 in words is "five hundred fifty-six million, two hundred twenty-two thousand, eight hundred fifty-six".