12226045 has 16 divisors (see below), whose sum is σ = 15886080. Its totient is φ = 8979264.

The previous prime is 12226033. The next prime is 12226051. The reversal of 12226045 is 54062221.

12226045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12226045 - 2⁵ = 12226013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15142 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (992880).

Almost surely, 2^12226045 is an apocalyptic number.

It is an amenable number.

12226045 is a deficient number, since it is larger than the sum of its proper divisors (3660035).

12226045 is a wasteful number, since it uses less digits than its factorization.

12226045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12226045 is about 3496.5761824962. The cubic root of 12226045 is about 230.3714539628.

Adding to 12226045 its reverse (54062221), we get a palindrome (66288266).

The spelling of 12226045 in words is "twelve million, two hundred twenty-six thousand, forty-five".