223313222221 has 8 divisors (see below), whose sum is σ = 226473076224. Its totient is φ = 220153773840.

The previous prime is 223313222203. The next prime is 223313222233. The reversal of 223313222221 is 122222313322.

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 223313222221 - 2²³ = 223304833613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223313222621) 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, 1108911 + ... + 1294723.

It is an arithmetic number, because the mean of its divisors is an integer number (28309134528).

Almost surely, 2^223313222221 is an apocalyptic number.

It is an amenable number.

223313222221 is a deficient number, since it is larger than the sum of its proper divisors (3159854003).

223313222221 is a wasteful number, since it uses less digits than its factorization.

223313222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202811.

The product of its digits is 3456, while the sum is 25.

Adding to 223313222221 its reverse (122222313322), we get a palindrome (345535535543).

The spelling of 223313222221 in words is "two hundred twenty-three billion, three hundred thirteen million, two hundred twenty-two thousand, two hundred twenty-one".