223230221 has 8 divisors (see below), whose sum is σ = 237955200. Its totient is φ = 208802880.

The previous prime is 223230209. The next prime is 223230229. The reversal of 223230221 is 122032322.

223230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223230221 - 2¹⁰ = 223229197 is a prime.

It is a super-3 number, since 3×223230221³ (a number of 26 digits) contains 333 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 223230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223230229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72860 + ... + 75861.

It is an arithmetic number, because the mean of its divisors is an integer number (29744400).

Almost surely, 2^223230221 is an apocalyptic number.

It is an amenable number.

223230221 is a deficient number, since it is larger than the sum of its proper divisors (14724979).

223230221 is a wasteful number, since it uses less digits than its factorization.

223230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148819.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223230221 is about 14940.8909038250. The cubic root of 223230221 is about 606.6213106949.

Adding to 223230221 its reverse (122032322), we get a palindrome (345262543).

The spelling of 223230221 in words is "two hundred twenty-three million, two hundred thirty thousand, two hundred twenty-one".