12322238 has 8 divisors (see below), whose sum is σ = 18759432. Its totient is φ = 6069096.

The previous prime is 12322237. The next prime is 12322243. The reversal of 12322238 is 83222321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45845 + ... + 46112.

It is an arithmetic number, because the mean of its divisors is an integer number (2344929).

Almost surely, 2^12322238 is an apocalyptic number.

12322238 is a deficient number, since it is larger than the sum of its proper divisors (6437194).

12322238 is an equidigital number, since it uses as much as digits as its factorization.

12322238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92026.

The product of its digits is 1152, while the sum is 23.

The square root of 12322238 is about 3510.3045451926. The cubic root of 12322238 is about 230.9740542937.

Adding to 12322238 its reverse (83222321), we get a palindrome (95544559).

The spelling of 12322238 in words is "twelve million, three hundred twenty-two thousand, two hundred thirty-eight".