556412222 has 4 divisors (see below), whose sum is σ = 834618336. Its totient is φ = 278206110.

The previous prime is 556412221. The next prime is 556412231. The reversal of 556412222 is 222214655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556412221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139103054 + ... + 139103057.

It is an arithmetic number, because the mean of its divisors is an integer number (208654584).

Almost surely, 2^556412222 is an apocalyptic number.

556412222 is a deficient number, since it is larger than the sum of its proper divisors (278206114).

556412222 is a wasteful number, since it uses less digits than its factorization.

556412222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278206113.

The product of its digits is 9600, while the sum is 29.

The square root of 556412222 is about 23588.3916789594. The cubic root of 556412222 is about 822.4930186675.

Adding to 556412222 its reverse (222214655), we get a palindrome (778626877).

The spelling of 556412222 in words is "five hundred fifty-six million, four hundred twelve thousand, two hundred twenty-two".