12222196 has 12 divisors (see below), whose sum is σ = 24444448. Its totient is φ = 5238072.

The previous prime is 12222151. The next prime is 12222211. The reversal of 12222196 is 69122221.

12222196 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218226 + ... + 218281.

Almost surely, 2^12222196 is an apocalyptic number.

It is an amenable number.

12222196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12222196 is a wasteful number, since it uses less digits than its factorization.

12222196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436518 (or 436516 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 12222196 is about 3496.0257436123. The cubic root of 12222196 is about 230.3472762669.

Adding to 12222196 its sum of digits (25), we get a palindrome (12222221).

The spelling of 12222196 in words is "twelve million, two hundred twenty-two thousand, one hundred ninety-six".