530222421 has 4 divisors (see below), whose sum is σ = 706963232. Its totient is φ = 353481612.

The previous prime is 530222411. The next prime is 530222423. The reversal of 530222421 is 124222035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 530222421 - 2¹³ = 530214229 is a prime.

It is a super-2 number, since 2×530222421² = 562271631462202482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530222423) 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 3 ways as a sum of consecutive naturals, for example, 88370401 + ... + 88370406.

It is an arithmetic number, because the mean of its divisors is an integer number (176740808).

Almost surely, 2^530222421 is an apocalyptic number.

It is an amenable number.

530222421 is a deficient number, since it is larger than the sum of its proper divisors (176740811).

530222421 is a wasteful number, since it uses less digits than its factorization.

530222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176740810.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 530222421 is about 23026.5590351663. The cubic root of 530222421 is about 809.3804239307.

Adding to 530222421 its reverse (124222035), we get a palindrome (654444456).

The spelling of 530222421 in words is "five hundred thirty million, two hundred twenty-two thousand, four hundred twenty-one".