12226915 has 8 divisors (see below), whose sum is σ = 15310368. Its totient is φ = 9356160.

The previous prime is 12226873. The next prime is 12226933. The reversal of 12226915 is 51962221.

12226915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12226915 - 2⁷ = 12226787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53046 + ... + 53275.

It is an arithmetic number, because the mean of its divisors is an integer number (1913796).

Almost surely, 2^12226915 is an apocalyptic number.

12226915 is a deficient number, since it is larger than the sum of its proper divisors (3083453).

12226915 is a wasteful number, since it uses less digits than its factorization.

12226915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106349.

The product of its digits is 2160, while the sum is 28.

The square root of 12226915 is about 3496.7005876969. The cubic root of 12226915 is about 230.3769182104.

The spelling of 12226915 in words is "twelve million, two hundred twenty-six thousand, nine hundred fifteen".