556222227779 has 8 divisors (see below), whose sum is σ = 578295567360. Its totient is φ = 534407056200.

The previous prime is 556222227733. The next prime is 556222227857. The reversal of 556222227779 is 977722222655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556222227779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556222227679) 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, 64537607 + ... + 64546224.

It is an arithmetic number, because the mean of its divisors is an integer number (72286945920).

Almost surely, 2^556222227779 is an apocalyptic number.

556222227779 is a deficient number, since it is larger than the sum of its proper divisors (22073339581).

556222227779 is a wasteful number, since it uses less digits than its factorization.

556222227779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129084001.

The product of its digits is 14817600, while the sum is 56.

The spelling of 556222227779 in words is "five hundred fifty-six billion, two hundred twenty-two million, two hundred twenty-seven thousand, seven hundred seventy-nine".