556142226 has 16 divisors (see below), whose sum is σ = 1113213024. Its totient is φ = 185225984.

The previous prime is 556142203. The next prime is 556142239. The reversal of 556142226 is 622241655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30780 + ... + 45383.

It is an arithmetic number, because the mean of its divisors is an integer number (69575814).

Almost surely, 2^556142226 is an apocalyptic number.

556142226 is an abundant number, since it is smaller than the sum of its proper divisors (557070798).

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

556142226 is a wasteful number, since it uses less digits than its factorization.

556142226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77385.

The product of its digits is 28800, while the sum is 33.

The square root of 556142226 is about 23582.6679152296. The cubic root of 556142226 is about 822.3599603908.

The spelling of 556142226 in words is "five hundred fifty-six million, one hundred forty-two thousand, two hundred twenty-six".