556122228 has 24 divisors (see below), whose sum is σ = 1309748832. Its totient is φ = 183641184.

The previous prime is 556122223. The next prime is 556122253. The reversal of 556122228 is 822221655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556122223) 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, 215275 + ... + 217842.

It is an arithmetic number, because the mean of its divisors is an integer number (54572868).

Almost surely, 2^556122228 is an apocalyptic number.

It is an amenable number.

556122228 is an abundant number, since it is smaller than the sum of its proper divisors (753626604).

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

556122228 is a wasteful number, since it uses less digits than its factorization.

556122228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433231 (or 433229 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 556122228 is about 23582.2439135889. The cubic root of 556122228 is about 822.3501033489.

The spelling of 556122228 in words is "five hundred fifty-six million, one hundred twenty-two thousand, two hundred twenty-eight".