12322225 has 12 divisors (see below), whose sum is σ = 15606144. Its totient is φ = 9647120.

The previous prime is 12322223. The next prime is 12322237. The reversal of 12322225 is 52222321.

It is not a de Polignac number, because 12322225 - 2¹ = 12322223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4069 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (1300512).

Almost surely, 2^12322225 is an apocalyptic number.

It is an amenable number.

12322225 is a deficient number, since it is larger than the sum of its proper divisors (3283919).

12322225 is a wasteful number, since it uses less digits than its factorization.

12322225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544 (or 10539 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 12322225 is about 3510.3026935009. The cubic root of 12322225 is about 230.9739730676.

Adding to 12322225 its reverse (52222321), we get a palindrome (64544546).

The spelling of 12322225 in words is "twelve million, three hundred twenty-two thousand, two hundred twenty-five".