530220312 has 48 divisors (see below), whose sum is σ = 1457459640. Its totient is φ = 174100608.

The previous prime is 530220287. The next prime is 530220331. The reversal of 530220312 is 213022035.

It is a super-2 number, since 2×530220312² = 562267158514754688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50133 + ... + 59780.

Almost surely, 2^530220312 is an apocalyptic number.

It is an amenable number.

530220312 is an abundant number, since it is smaller than the sum of its proper divisors (927239328).

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

530220312 is a wasteful number, since it uses less digits than its factorization.

530220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109992 (or 109985 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 530220312 is about 23026.5132401760. The cubic root of 530220312 is about 809.3793508052.

Adding to 530220312 its reverse (213022035), we get a palindrome (743242347).

The spelling of 530220312 in words is "five hundred thirty million, two hundred twenty thousand, three hundred twelve".