12226325 has 6 divisors (see below), whose sum is σ = 15160674. Its totient is φ = 9781040.

The previous prime is 12226321. The next prime is 12226327. The reversal of 12226325 is 52362221.

It can be written as a sum of positive squares in 3 ways, for example, as 3694084 + 8532241 = 1922^2 + 2921^2 .

It is not a de Polignac number, because 12226325 - 2² = 12226321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12226325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226321) by changing a digit.

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, 244502 + ... + 244551.

It is an arithmetic number, because the mean of its divisors is an integer number (2526779).

Almost surely, 2^12226325 is an apocalyptic number.

It is an amenable number.

12226325 is a deficient number, since it is larger than the sum of its proper divisors (2934349).

12226325 is an equidigital number, since it uses as much as digits as its factorization.

12226325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489063 (or 489058 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 12226325 is about 3496.6162214347. The cubic root of 12226325 is about 230.3732125995.

Adding to 12226325 its reverse (52362221), we get a palindrome (64588546).

The spelling of 12226325 in words is "twelve million, two hundred twenty-six thousand, three hundred twenty-five".