556122 has 16 divisors (see below), whose sum is σ = 1271232. Its totient is φ = 158880.

The previous prime is 556103. The next prime is 556123. The reversal of 556122 is 221655.

556122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (556123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6579 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (79452).

2⁵⁵⁶¹²² is an apocalyptic number.

556122 is an abundant number, since it is smaller than the sum of its proper divisors (715110).

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

556122 is a wasteful number, since it uses less digits than its factorization.

556122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253.

The product of its digits is 600, while the sum is 21.

The square root of 556122 is about 745.7358781767. The cubic root of 556122 is about 82.2349990966.

Adding to 556122 its reverse (221655), we get a palindrome (777777).

The spelling of 556122 in words is "five hundred fifty-six thousand, one hundred twenty-two".