223333223221 has 4 divisors (see below), whose sum is σ = 223507840000. Its totient is φ = 223158606444.

The previous prime is 223333223219. The next prime is 223333223237. The reversal of 223333223221 is 122322333322.

It is a happy number.

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 223333223221 - 2¹ = 223333223219 is a prime.

It is a super-2 number, since 2×223333223221² (a number of 23 digits) contains 22 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 223333223221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223333223521) 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, 87306471 + ... + 87309028.

It is an arithmetic number, because the mean of its divisors is an integer number (55876960000).

Almost surely, 2^223333223221 is an apocalyptic number.

It is an amenable number.

223333223221 is a deficient number, since it is larger than the sum of its proper divisors (174616779).

223333223221 is a wasteful number, since it uses less digits than its factorization.

223333223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174616778.

The product of its digits is 15552, while the sum is 28.

Adding to 223333223221 its reverse (122322333322), we get a palindrome (345655556543).

The spelling of 223333223221 in words is "two hundred twenty-three billion, three hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-one".