230222221 has 4 divisors (see below), whose sum is σ = 242339200. Its totient is φ = 218105244.

The previous prime is 230222149. The next prime is 230222231. The reversal of 230222221 is 122222032.

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 230222221 - 2²¹ = 228125069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230222195 and 230222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230222231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6058461 + ... + 6058498.

It is an arithmetic number, because the mean of its divisors is an integer number (60584800).

Almost surely, 2^230222221 is an apocalyptic number.

It is an amenable number.

230222221 is a deficient number, since it is larger than the sum of its proper divisors (12116979).

230222221 is a wasteful number, since it uses less digits than its factorization.

230222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116978.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 230222221 is about 15173.0755287120. The cubic root of 230222221 is about 612.8898274202.

Adding to 230222221 its reverse (122222032), we get a palindrome (352444253).

The spelling of 230222221 in words is "two hundred thirty million, two hundred twenty-two thousand, two hundred twenty-one".