12224446 has 24 divisors (see below), whose sum is σ = 20225160. Its totient is φ = 5537376.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224446 is 64442221.

It is a happy number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12224446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19636 + ... + 20248.

It is an arithmetic number, because the mean of its divisors is an integer number (842715).

Almost surely, 2^12224446 is an apocalyptic number.

12224446 is a deficient number, since it is larger than the sum of its proper divisors (8000714).

12224446 is a wasteful number, since it uses less digits than its factorization.

12224446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 687 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 12224446 is about 3496.3475227729. The cubic root of 12224446 is about 230.3614103765.

Adding to 12224446 its reverse (64442221), we get a palindrome (76666667).

The spelling of 12224446 in words is "twelve million, two hundred twenty-four thousand, four hundred forty-six".