530226221 has 4 divisors (see below), whose sum is σ = 605972832. Its totient is φ = 454479612.

The previous prime is 530226157. The next prime is 530226239. The reversal of 530226221 is 122622035.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122622035 = 5 ⋅24524407.

It is a cyclic number.

It is not a de Polignac number, because 530226221 - 2⁶ = 530226157 is a prime.

It is a super-2 number, since 2×530226221² = 562279690871881682, 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 (530226251) 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, 37873295 + ... + 37873308.

It is an arithmetic number, because the mean of its divisors is an integer number (151493208).

Almost surely, 2^530226221 is an apocalyptic number.

It is an amenable number.

530226221 is a deficient number, since it is larger than the sum of its proper divisors (75746611).

530226221 is an equidigital number, since it uses as much as digits as its factorization.

530226221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75746610.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 530226221 is about 23026.6415484325. The cubic root of 530226221 is about 809.3823574829.

Adding to 530226221 its reverse (122622035), we get a palindrome (652848256).

The spelling of 530226221 in words is "five hundred thirty million, two hundred twenty-six thousand, two hundred twenty-one".