530221630 has 16 divisors (see below), whose sum is σ = 967474224. Its totient is φ = 209183040.

The previous prime is 530221621. The next prime is 530221639. The reversal of 530221630 is 36122035.

It is an interprime number because it is at equal distance from previous prime (530221621) and next prime (530221639).

It is a super-2 number, since 2×530221630² = 562269953839713800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530221639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362436 + ... + 363895.

It is an arithmetic number, because the mean of its divisors is an integer number (60467139).

Almost surely, 2^530221630 is an apocalyptic number.

530221630 is a deficient number, since it is larger than the sum of its proper divisors (437252594).

530221630 is a wasteful number, since it uses less digits than its factorization.

530221630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726411.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 530221630 is about 23026.5418593414. The cubic root of 530221630 is about 809.3800214454.

Adding to 530221630 its reverse (36122035), we get a palindrome (566343665).

The spelling of 530221630 in words is "five hundred thirty million, two hundred twenty-one thousand, six hundred thirty".