12422444223 has 16 divisors (see below), whose sum is σ = 18965788416. Its totient is φ = 7084908480.

The previous prime is 12422444189. The next prime is 12422444227. The reversal of 12422444223 is 32244422421.

It is a happy number.

It is not a de Polignac number, because 12422444223 - 2²⁰ = 12421395647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422444227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556761 + ... + 578642.

It is an arithmetic number, because the mean of its divisors is an integer number (1185361776).

Almost surely, 2^12422444223 is an apocalyptic number.

12422444223 is a deficient number, since it is larger than the sum of its proper divisors (6543344193).

12422444223 is a wasteful number, since it uses less digits than its factorization.

12422444223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135934.

The product of its digits is 24576, while the sum is 30.

Adding to 12422444223 its reverse (32244422421), we get a palindrome (44666866644).

The spelling of 12422444223 in words is "twelve billion, four hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-three".