230213221 has 12 divisors (see below), whose sum is σ = 272341440. Its totient is φ = 193978680.

The previous prime is 230213219. The next prime is 230213287. The reversal of 230213221 is 122312032.

It is not a de Polignac number, because 230213221 - 2¹ = 230213219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230213195 and 230213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230213521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36925 + ... + 42706.

It is an arithmetic number, because the mean of its divisors is an integer number (22695120).

Almost surely, 2^230213221 is an apocalyptic number.

It is an amenable number.

230213221 is a deficient number, since it is larger than the sum of its proper divisors (42128219).

230213221 is an equidigital number, since it uses as much as digits as its factorization.

230213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79704 (or 79697 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230213221 is about 15172.7789478394. The cubic root of 230213221 is about 612.8818408173.

Adding to 230213221 its reverse (122312032), we get a palindrome (352525253).

The spelling of 230213221 in words is "two hundred thirty million, two hundred thirteen thousand, two hundred twenty-one".