223122231 has 24 divisors (see below), whose sum is σ = 326832480. Its totient is φ = 146664000.

The previous prime is 223122223. The next prime is 223122253. The reversal of 223122231 is 132221322.

It is not a de Polignac number, because 223122231 - 2³ = 223122223 is a prime.

It is a super-3 number, since 3×223122231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223120231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353286 + ... + 353916.

It is an arithmetic number, because the mean of its divisors is an integer number (13618020).

Almost surely, 2^223122231 is an apocalyptic number.

223122231 is a deficient number, since it is larger than the sum of its proper divisors (103710249).

223122231 is a wasteful number, since it uses less digits than its factorization.

223122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1124 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 223122231 is about 14937.2765589983. The cubic root of 223122231 is about 606.5234750742.

Adding to 223122231 its reverse (132221322), we get a palindrome (355343553).

Subtracting from 223122231 its reverse (132221322), we obtain a palindrome (90900909).

The spelling of 223122231 in words is "two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-one".