556222233397 has 4 divisors (see below), whose sum is σ = 556238321100. Its totient is φ = 556206145696.

The previous prime is 556222233389. The next prime is 556222233401. The reversal of 556222233397 is 793332222655.

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 327139385521 + 229082847876 = 571961^2 + 478626^2 .

It is a cyclic number.

It is not a de Polignac number, because 556222233397 - 2³ = 556222233389 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556222233397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556222233367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7991878 + ... + 8061175.

It is an arithmetic number, because the mean of its divisors is an integer number (139059580275).

Almost surely, 2^556222233397 is an apocalyptic number.

It is an amenable number.

556222233397 is a deficient number, since it is larger than the sum of its proper divisors (16087703).

556222233397 is a wasteful number, since it uses less digits than its factorization.

556222233397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16087702.

The product of its digits is 4082400, while the sum is 49.

The spelling of 556222233397 in words is "five hundred fifty-six billion, two hundred twenty-two million, two hundred thirty-three thousand, three hundred ninety-seven".