555243222 has 64 divisors (see below), whose sum is σ = 1222153920. Its totient is φ = 167387136.

The previous prime is 555243203. The next prime is 555243281. The reversal of 555243222 is 222342555.

It is a self number, because there is not a number n which added to its sum of digits gives 555243222.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 996568 + ... + 997124.

It is an arithmetic number, because the mean of its divisors is an integer number (19096155).

Almost surely, 2^555243222 is an apocalyptic number.

555243222 is an abundant number, since it is smaller than the sum of its proper divisors (666910698).

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

555243222 is a wasteful number, since it uses less digits than its factorization.

555243222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its digits is 24000, while the sum is 30.

The square root of 555243222 is about 23563.5995128079. The cubic root of 555243222 is about 821.9166064071.

Adding to 555243222 its reverse (222342555), we get a palindrome (777585777).

The spelling of 555243222 in words is "five hundred fifty-five million, two hundred forty-three thousand, two hundred twenty-two".