12224422 has 12 divisors (see below), whose sum is σ = 21330540. Its totient is φ = 5238996.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224422 is 22442221.

It is a self number, because there is not a number n which added to its sum of digits gives 12224422.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 62272 + ... + 62467.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 2^12224422 is an apocalyptic number.

12224422 is a deficient number, since it is larger than the sum of its proper divisors (9106118).

12224422 is a wasteful number, since it uses less digits than its factorization.

12224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124755 (or 124748 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 12224422 is about 3496.3440906181. The cubic root of 12224422 is about 230.3612596218.

Adding to 12224422 its reverse (22442221), we get a palindrome (34666643).

The spelling of 12224422 in words is "twelve million, two hundred twenty-four thousand, four hundred twenty-two".