223223323221 has 12 divisors (see below), whose sum is σ = 339403883520. Its totient is φ = 140983151400.

The previous prime is 223223323187. The next prime is 223223323231. The reversal of 223223323221 is 122323322322.

223223323221 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 2 + 332 + 322 + 1 = 666.

It is not a de Polignac number, because 223223323221 - 2¹⁴ = 223223306837 is a prime.

It is a super-3 number, since 3×223223323221³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223223323231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652699605 + ... + 652699946.

It is an arithmetic number, because the mean of its divisors is an integer number (28283656960).

Almost surely, 2^223223323221 is an apocalyptic number.

It is an amenable number.

223223323221 is a deficient number, since it is larger than the sum of its proper divisors (116180560299).

223223323221 is a wasteful number, since it uses less digits than its factorization.

223223323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305399576 (or 1305399573 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 223223323221 its reverse (122323322322), we get a palindrome (345546645543).

The spelling of 223223323221 in words is "two hundred twenty-three billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred twenty-one".