23322231 has 12 divisors (see below), whose sum is σ = 34191352. Its totient is φ = 15315696.

The previous prime is 23322223. The next prime is 23322241. The reversal of 23322231 is 13222332.

It is a happy number.

It is not a de Polignac number, because 23322231 - 2³ = 23322223 is a prime.

It is a super-2 number, since 2×23322231² = 1087852917634722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18736 + ... + 19941.

Almost surely, 2^23322231 is an apocalyptic number.

23322231 is a deficient number, since it is larger than the sum of its proper divisors (10869121).

23322231 is a wasteful number, since it uses less digits than its factorization.

23322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38750 (or 38747 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23322231 is about 4829.3095779832. The cubic root of 23322231 is about 285.7086336144.

Adding to 23322231 its reverse (13222332), we get a palindrome (36544563).

It can be divided in two parts, 2 and 3322231, that added together give a palindrome (3322233).

The spelling of 23322231 in words is "twenty-three million, three hundred twenty-two thousand, two hundred thirty-one".