12422223 has 48 divisors (see below), whose sum is σ = 21239712. Its totient is φ = 6969600.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422223 is 32222421.

It is a de Polignac number, because none of the positive numbers 2^k-12422223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12422196 and 12422205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203613 + ... + 203673.

It is an arithmetic number, because the mean of its divisors is an integer number (442494).

Almost surely, 2^12422223 is an apocalyptic number.

12422223 is a deficient number, since it is larger than the sum of its proper divisors (8817489).

12422223 is a wasteful number, since it uses less digits than its factorization.

12422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 92 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 12422223 is about 3524.5174137745. The cubic root of 12422223 is about 231.5970947401.

Adding to 12422223 its reverse (32222421), we get a palindrome (44644644).

The spelling of 12422223 in words is "twelve million, four hundred twenty-two thousand, two hundred twenty-three".