553220224 has 32 divisors (see below), whose sum is σ = 1120201740. Its totient is φ = 272071680.

The previous prime is 553220183. The next prime is 553220243. The reversal of 553220224 is 422022355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 549058624 + 4161600 = 23432^2 + 2040^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×553220224² = 612105232485220352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27619 + ... + 43234.

Almost surely, 2^553220224 is an apocalyptic number.

It is an amenable number.

553220224 is an abundant number, since it is smaller than the sum of its proper divisors (566981516).

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

553220224 is an equidigital number, since it uses as much as digits as its factorization.

553220224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70928 (or 70916 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 553220224 is about 23520.6340050603. The cubic root of 553220224 is about 820.9171890682.

Adding to 553220224 its reverse (422022355), we get a palindrome (975242579).

The spelling of 553220224 in words is "five hundred fifty-three million, two hundred twenty thousand, two hundred twenty-four".