223222321 has 16 divisors (see below), whose sum is σ = 260915200. Its totient is φ = 187029648.

The previous prime is 223222313. The next prime is 223222357. The reversal of 223222321 is 123222322.

It is a cyclic number.

It is not a de Polignac number, because 223222321 - 2³ = 223222313 is a prime.

It is a super-3 number, since 3×223222321³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55000 + ... + 58918.

It is an arithmetic number, because the mean of its divisors is an integer number (16307200).

Almost surely, 2^223222321 is an apocalyptic number.

It is an amenable number.

223222321 is a deficient number, since it is larger than the sum of its proper divisors (37692879).

223222321 is a wasteful number, since it uses less digits than its factorization.

223222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its digits is 576, while the sum is 19.

The square root of 223222321 is about 14940.6265263542. The cubic root of 223222321 is about 606.6141546076.

Adding to 223222321 its reverse (123222322), we get a palindrome (346444643).

Subtracting from 223222321 its reverse (123222322), we obtain a palindrome (99999999).

The spelling of 223222321 in words is "two hundred twenty-three million, two hundred twenty-two thousand, three hundred twenty-one".