230444221 has 4 divisors (see below), whose sum is σ = 263364832. Its totient is φ = 197523612.

The previous prime is 230444213. The next prime is 230444233. The reversal of 230444221 is 122444032.

It is a happy number.

230444221 is nontrivially palindromic in base 16.

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 a cyclic number.

It is not a de Polignac number, because 230444221 - 2³ = 230444213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230444192 and 230444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230444281) 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, 16460295 + ... + 16460308.

It is an arithmetic number, because the mean of its divisors is an integer number (65841208).

Almost surely, 2^230444221 is an apocalyptic number.

It is an amenable number.

230444221 is a deficient number, since it is larger than the sum of its proper divisors (32920611).

230444221 is an equidigital number, since it uses as much as digits as its factorization.

230444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32920610.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 230444221 is about 15180.3893560080. The cubic root of 230444221 is about 613.0867644353.

Adding to 230444221 its reverse (122444032), we get a palindrome (352888253).

The spelling of 230444221 in words is "two hundred thirty million, four hundred forty-four thousand, two hundred twenty-one".