556489722 has 8 divisors (see below), whose sum is σ = 1112979456. Its totient is φ = 185496572.

The previous prime is 556489721. The next prime is 556489793. The reversal of 556489722 is 227984655.

It is a sphenic number, since it is the product of 3 distinct primes.

556489722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (556489721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46374138 + ... + 46374149.

It is an arithmetic number, because the mean of its divisors is an integer number (139122432).

Almost surely, 2^556489722 is an apocalyptic number.

556489722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

556489722 is a wasteful number, since it uses less digits than its factorization.

556489722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92748292.

The product of its digits is 1209600, while the sum is 48.

The square root of 556489722 is about 23590.0343789491. The cubic root of 556489722 is about 822.5312039356.

The spelling of 556489722 in words is "five hundred fifty-six million, four hundred eighty-nine thousand, seven hundred twenty-two".