12225316 has 6 divisors (see below), whose sum is σ = 21394310. Its totient is φ = 6112656.

The previous prime is 12225299. The next prime is 12225347. The reversal of 12225316 is 61352221.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 5308416 = 2630^2 + 2304^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1528161 + ... + 1528168.

Almost surely, 2^12225316 is an apocalyptic number.

It is an amenable number.

12225316 is a deficient number, since it is larger than the sum of its proper divisors (9168994).

12225316 is a wasteful number, since it uses less digits than its factorization.

12225316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056333 (or 3056331 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 12225316 is about 3496.4719361093. The cubic root of 12225316 is about 230.3668751005.

Adding to 12225316 its reverse (61352221), we get a palindrome (73577537).

The spelling of 12225316 in words is "twelve million, two hundred twenty-five thousand, three hundred sixteen".