557224 has 8 divisors (see below), whose sum is σ = 1044810. Its totient is φ = 278608.

The previous prime is 557201. The next prime is 557261. The reversal of 557224 is 422755.

It can be written as a sum of positive squares in only one way, i.e., 324900 + 232324 = 570^2 + 482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34819 + ... + 34834.

2⁵⁵⁷²²⁴ is an apocalyptic number.

It is an amenable number.

557224 is a deficient number, since it is larger than the sum of its proper divisors (487586).

557224 is a wasteful number, since it uses less digits than its factorization.

557224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69659 (or 69655 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 557224 is about 746.4743800024. The cubic root of 557224 is about 82.2892816557.

Adding to 557224 its reverse (422755), we get a palindrome (979979).

The spelling of 557224 in words is "five hundred fifty-seven thousand, two hundred twenty-four".