12286222 has 16 divisors (see below), whose sum is σ = 19906992. Its totient is φ = 5653440.

The previous prime is 12286181. The next prime is 12286231. The reversal of 12286222 is 22268221.

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, 13093 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (1244187).

Almost surely, 2^12286222 is an apocalyptic number.

12286222 is a deficient number, since it is larger than the sum of its proper divisors (7620770).

12286222 is a wasteful number, since it uses less digits than its factorization.

12286222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 1536, while the sum is 25.

The square root of 12286222 is about 3505.1707519035. The cubic root of 12286222 is about 230.7488008524.

The spelling of 12286222 in words is "twelve million, two hundred eighty-six thousand, two hundred twenty-two".