223888223 has 4 divisors (see below), whose sum is σ = 241110408. Its totient is φ = 206666040.

The previous prime is 223888211. The next prime is 223888237. The reversal of 223888223 is 322888322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223888223 - 2²⁰ = 222839647 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 (223888523) 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, 8611073 + ... + 8611098.

It is an arithmetic number, because the mean of its divisors is an integer number (60277602).

Almost surely, 2^223888223 is an apocalyptic number.

223888223 is a deficient number, since it is larger than the sum of its proper divisors (17222185).

223888223 is a wasteful number, since it uses less digits than its factorization.

223888223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17222184.

The product of its digits is 73728, while the sum is 38.

The square root of 223888223 is about 14962.8948736533. The cubic root of 223888223 is about 607.2167594708.

Subtracting 223888223 from its reverse (322888322), we obtain a palindrome (99000099).

The spelling of 223888223 in words is "two hundred twenty-three million, eight hundred eighty-eight thousand, two hundred twenty-three".