230241221 has 32 divisors (see below), whose sum is σ = 286556160. Its totient is φ = 180605376.

The previous prime is 230241191. The next prime is 230241239. The reversal of 230241221 is 122142032.

It is not a de Polignac number, because 230241221 - 2⁶ = 230241157 is a prime.

It is a super-2 number, since 2×230241221² = 106022039695141682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230241221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230241521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726155 + ... + 726471.

It is an arithmetic number, because the mean of its divisors is an integer number (8954880).

Almost surely, 2^230241221 is an apocalyptic number.

It is an amenable number.

230241221 is a deficient number, since it is larger than the sum of its proper divisors (56314939).

230241221 is a wasteful number, since it uses less digits than its factorization.

230241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 230241221 is about 15173.7016248508. The cubic root of 230241221 is about 612.9066873426.

Adding to 230241221 its reverse (122142032), we get a palindrome (352383253).

The spelling of 230241221 in words is "two hundred thirty million, two hundred forty-one thousand, two hundred twenty-one".