12223443 has 16 divisors (see below), whose sum is σ = 16899840. Its totient is φ = 7853664.

The previous prime is 12223439. The next prime is 12223447. The reversal of 12223443 is 34432221.

It is an interprime number because it is at equal distance from previous prime (12223439) and next prime (12223447).

It is not a de Polignac number, because 12223443 - 2² = 12223439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223447) 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 15 ways as a sum of consecutive naturals, for example, 8730 + ... + 10032.

It is an arithmetic number, because the mean of its divisors is an integer number (1056240).

Almost surely, 2^12223443 is an apocalyptic number.

12223443 is a deficient number, since it is larger than the sum of its proper divisors (4676397).

12223443 is a wasteful number, since it uses less digits than its factorization.

12223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

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

The square root of 12223443 is about 3496.2040844321. The cubic root of 12223443 is about 230.3551099188.

Adding to 12223443 its reverse (34432221), we get a palindrome (46655664).

The spelling of 12223443 in words is "twelve million, two hundred twenty-three thousand, four hundred forty-three".