12442233 has 4 divisors (see below), whose sum is σ = 16589648. Its totient is φ = 8294820.

The previous prime is 12442223. The next prime is 12442237. The reversal of 12442233 is 33224421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12442233 - 2⁴ = 12442217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12442237) 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, 2073703 + ... + 2073708.

It is an arithmetic number, because the mean of its divisors is an integer number (4147412).

Almost surely, 2^12442233 is an apocalyptic number.

It is an amenable number.

12442233 is a deficient number, since it is larger than the sum of its proper divisors (4147415).

12442233 is an equidigital number, since it uses as much as digits as its factorization.

12442233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147414.

The product of its digits is 1152, while the sum is 21.

The square root of 12442233 is about 3527.3549580387. The cubic root of 12442233 is about 231.7213819891.

Adding to 12442233 its reverse (33224421), we get a palindrome (45666654).

The spelling of 12442233 in words is "twelve million, four hundred forty-two thousand, two hundred thirty-three".