557268228 has 192 divisors, whose sum is σ = 1712067840. Its totient is φ = 154828800.

The previous prime is 557268227. The next prime is 557268247. The reversal of 557268228 is 822862755.

It is not an unprimeable number, because it can be changed into a prime (557268221) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 827700 + ... + 828372.

It is an arithmetic number, because the mean of its divisors is an integer number (8917020).

Almost surely, 2^557268228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557268228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856033920).

557268228 is an abundant number, since it is smaller than the sum of its proper divisors (1154799612).

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

557268228 is a wasteful number, since it uses less digits than its factorization.

557268228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 747 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 557268228 is about 23606.5293510080. The cubic root of 557268228 is about 822.9145875385.

The spelling of 557268228 in words is "five hundred fifty-seven million, two hundred sixty-eight thousand, two hundred twenty-eight".