12225415 has 8 divisors (see below), whose sum is σ = 14702688. Its totient is φ = 9758880.

The previous prime is 12225407. The next prime is 12225427. The reversal of 12225415 is 51452221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12225415 - 2³ = 12225407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (1837836).

Almost surely, 2^12225415 is an apocalyptic number.

12225415 is a deficient number, since it is larger than the sum of its proper divisors (2477273).

12225415 is an equidigital number, since it uses as much as digits as its factorization.

12225415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369.

The product of its digits is 800, while the sum is 22.

The square root of 12225415 is about 3496.4860932084. The cubic root of 12225415 is about 230.3674969320.

Adding to 12225415 its reverse (51452221), we get a palindrome (63677636).

The spelling of 12225415 in words is "twelve million, two hundred twenty-five thousand, four hundred fifteen".