12266222 has 16 divisors (see below), whose sum is σ = 19274112. Its totient is φ = 5843640.

The previous prime is 12266213. The next prime is 12266237. The reversal of 12266222 is 22266221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent 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, 21197 + ... + 21767.

It is an arithmetic number, because the mean of its divisors is an integer number (1204632).

Almost surely, 2^12266222 is an apocalyptic number.

12266222 is a deficient number, since it is larger than the sum of its proper divisors (7007890).

12266222 is a wasteful number, since it uses less digits than its factorization.

12266222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 1152, while the sum is 23.

The square root of 12266222 is about 3502.3166618683. The cubic root of 12266222 is about 230.6235254984.

Subtracting 12266222 from its reverse (22266221), we obtain a palindrome (9999999).

The spelling of 12266222 in words is "twelve million, two hundred sixty-six thousand, two hundred twenty-two".