556717122 has 96 divisors (see below), whose sum is σ = 1382799600. Its totient is φ = 160358400.

The previous prime is 556717111. The next prime is 556717123. The reversal of 556717122 is 221717655.

556717122 is a `hidden beast` number, since 5 + 567 + 1 + 71 + 22 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 484484121 + 72233001 = 22011^2 + 8499^2 .

It is not an unprimeable number, because it can be changed into a prime (556717123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1388122 + ... + 1388522.

Almost surely, 2^556717122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556717122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691399800).

556717122 is an abundant number, since it is smaller than the sum of its proper divisors (826082478).

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

556717122 is a wasteful number, since it uses less digits than its factorization.

556717122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 785 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 556717122 is about 23594.8537185548. The cubic root of 556717122 is about 822.6432264443.

The spelling of 556717122 in words is "five hundred fifty-six million, seven hundred seventeen thousand, one hundred twenty-two".