530221736 has 16 divisors (see below), whose sum is σ = 1084544640. Its totient is φ = 241009840.

The previous prime is 530221709. The next prime is 530221751. The reversal of 530221736 is 637122035.

It is a super-3 number, since 3×530221736³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 530221699 and 530221708.

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, 3012536 + ... + 3012711.

It is an arithmetic number, because the mean of its divisors is an integer number (67784040).

Almost surely, 2^530221736 is an apocalyptic number.

It is an amenable number.

530221736 is an abundant number, since it is smaller than the sum of its proper divisors (554322904).

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

530221736 is a wasteful number, since it uses less digits than its factorization.

530221736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025264 (or 6025260 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 530221736 is about 23026.5441610329. The cubic root of 530221736 is about 809.3800753815.

The spelling of 530221736 in words is "five hundred thirty million, two hundred twenty-one thousand, seven hundred thirty-six".