556412224 has 14 divisors (see below), whose sum is σ = 1104130634. Its totient is φ = 278206080.

The previous prime is 556412221. The next prime is 556412231. The reversal of 556412224 is 422214655.

It can be written as a sum of positive squares in only one way, i.e., 318265600 + 238146624 = 17840^2 + 15432^2 .

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, 4346907 + ... + 4347034.

Almost surely, 2^556412224 is an apocalyptic number.

It is an amenable number.

556412224 is a deficient number, since it is larger than the sum of its proper divisors (547718410).

556412224 is an equidigital number, since it uses as much as digits as its factorization.

556412224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693953 (or 8693943 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 556412224 is about 23588.3917213531. The cubic root of 556412224 is about 822.4930196529.

Adding to 556412224 its reverse (422214655), we get a palindrome (978626879).

The spelling of 556412224 in words is "five hundred fifty-six million, four hundred twelve thousand, two hundred twenty-four".