12224375 has 10 divisors (see below), whose sum is σ = 15276360. Its totient is φ = 9779000.

The previous prime is 12224357. The next prime is 12224383. The reversal of 12224375 is 57342221.

It is a de Polignac number, because none of the positive numbers 2^k-12224375 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9155 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (1527636).

Almost surely, 2^12224375 is an apocalyptic number.

12224375 is a deficient number, since it is larger than the sum of its proper divisors (3051985).

12224375 is an frugal number, since it uses more digits than its factorization.

12224375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19579 (or 19564 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12224375 is about 3496.3373693052. The cubic root of 12224375 is about 230.3609643933.

Adding to 12224375 its reverse (57342221), we get a palindrome (69566596).

The spelling of 12224375 in words is "twelve million, two hundred twenty-four thousand, three hundred seventy-five".