12222208 has 18 divisors (see below), whose sum is σ = 24397184. Its totient is φ = 6110976.

The previous prime is 12222151. The next prime is 12222211. The reversal of 12222208 is 80222221.

12222208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23616 + ... + 24127.

Almost surely, 2^12222208 is an apocalyptic number.

It is an amenable number.

12222208 is a deficient number, since it is larger than the sum of its proper divisors (12174976).

12222208 is an frugal number, since it uses more digits than its factorization.

12222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47759 (or 47745 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 12222208 is about 3496.0274598464. The cubic root of 12222208 is about 230.3473516535.

Adding to 12222208 its reverse (80222221), we get a palindrome (92444429).

The spelling of 12222208 in words is "twelve million, two hundred twenty-two thousand, two hundred eight".