12226008 has 16 divisors (see below), whose sum is σ = 30565080. Its totient is φ = 4075328.

The previous prime is 12225991. The next prime is 12226013. The reversal of 12226008 is 80062221.

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 3 ways as a sum of consecutive naturals, for example, 254685 + ... + 254732.

Almost surely, 2^12226008 is an apocalyptic number.

It is an amenable number.

12226008 is an abundant number, since it is smaller than the sum of its proper divisors (18339072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12226008 is a wasteful number, since it uses less digits than its factorization.

12226008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509426 (or 509422 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12226008 is about 3496.5708916022. The cubic root of 12226008 is about 230.3712215695.

Adding to 12226008 its reverse (80062221), we get a palindrome (92288229).

The spelling of 12226008 in words is "twelve million, two hundred twenty-six thousand, eight".