556222207 has 8 divisors (see below), whose sum is σ = 587241200. Its totient is φ = 525377664.

The previous prime is 556222193. The next prime is 556222213. The reversal of 556222207 is 702222655.

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

It is a de Polignac number, because none of the positive numbers 2^k-556222207 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 (556222237) 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 7 ways as a sum of consecutive naturals, for example, 37032 + ... + 49837.

It is an arithmetic number, because the mean of its divisors is an integer number (73405150).

Almost surely, 2^556222207 is an apocalyptic number.

556222207 is a deficient number, since it is larger than the sum of its proper divisors (31018993).

556222207 is a wasteful number, since it uses less digits than its factorization.

556222207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87225.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 556222207 is about 23584.3636123598. The cubic root of 556222207 is about 822.3993807741.

The spelling of 556222207 in words is "five hundred fifty-six million, two hundred twenty-two thousand, two hundred seven".