556228 has 12 divisors (see below), whose sum is σ = 979132. Its totient is φ = 276480.

The previous prime is 556219. The next prime is 556229. The reversal of 556228 is 822655.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 49284 = 712^2 + 222^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 556196 and 556205.

It is not an unprimeable number, because it can be changed into a prime (556229) by changing a digit.

556228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676 + ... + 1252.

2⁵⁵⁶²²⁸ is an apocalyptic number.

It is an amenable number.

556228 is a deficient number, since it is larger than the sum of its proper divisors (422904).

556228 is a wasteful number, since it uses less digits than its factorization.

556228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 820 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 556228 is about 745.8069455295. The cubic root of 556228 is about 82.2402235834.

It can be divided in two parts, 556 and 228, that added together give a square (784 = 28²).

The spelling of 556228 in words is "five hundred fifty-six thousand, two hundred twenty-eight".