556222229 has 4 divisors (see below), whose sum is σ = 556334220. Its totient is φ = 556110240.

The previous prime is 556222213. The next prime is 556222237. The reversal of 556222229 is 922222655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539632900 + 16589329 = 23230^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 556222229 - 2⁴ = 556222213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48182 + ... + 58599.

It is an arithmetic number, because the mean of its divisors is an integer number (139083555).

Almost surely, 2^556222229 is an apocalyptic number.

It is an amenable number.

556222229 is a deficient number, since it is larger than the sum of its proper divisors (111991).

556222229 is a wasteful number, since it uses less digits than its factorization.

556222229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111990.

The product of its digits is 43200, while the sum is 35.

The square root of 556222229 is about 23584.3640787705. The cubic root of 556222229 is about 822.3993916168.

The spelling of 556222229 in words is "five hundred fifty-six million, two hundred twenty-two thousand, two hundred twenty-nine".