223122223 has 2 divisors, whose sum is σ = 223122224. Its totient is φ = 223122222.

The previous prime is 223122203. The next prime is 223122253. The reversal of 223122223 is 322221322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223122223 is a prime.

It is a super-3 number, since 3×223122223³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223122223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223122203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561111 + 111561112.

It is an arithmetic number, because the mean of its divisors is an integer number (111561112).

Almost surely, 2^223122223 is an apocalyptic number.

223122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

223122223 is an equidigital number, since it uses as much as digits as its factorization.

223122223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 223122223 is about 14937.2762912119. The cubic root of 223122223 is about 606.5234678252.

Adding to 223122223 its reverse (322221322), we get a palindrome (545343545).

Subtracting 223122223 from its reverse (322221322), we obtain a palindrome (99099099).

The spelling of 223122223 in words is "two hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-three".