557222160 has 160 divisors (see below), whose sum is σ = 1907877888. Its totient is φ = 133404160.

The previous prime is 557222143. The next prime is 557222161. The reversal of 557222160 is 61222755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (557222161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217849 + ... + 220391.

Almost surely, 2^557222160 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 557222160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953938944).

557222160 is an abundant number, since it is smaller than the sum of its proper divisors (1350655728).

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

557222160 is a wasteful number, since it uses less digits than its factorization.

557222160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 557222160 is about 23605.5535838497. The cubic root of 557222160 is about 822.8919108022.

The spelling of 557222160 in words is "five hundred fifty-seven million, two hundred twenty-two thousand, one hundred sixty".