12222308 has 24 divisors (see below), whose sum is σ = 25234944. Its totient is φ = 5068800.

The previous prime is 12222307. The next prime is 12222319. The reversal of 12222308 is 80322221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222308.

It is not an unprimeable number, because it can be changed into a prime (12222307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6173 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (1051456).

Almost surely, 2^12222308 is an apocalyptic number.

It is an amenable number.

12222308 is an abundant number, since it is smaller than the sum of its proper divisors (13012636).

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

12222308 is a wasteful number, since it uses less digits than its factorization.

12222308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14123 (or 14121 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12222308 is about 3496.0417617643. The cubic root of 12222308 is about 230.3479798725.

Adding to 12222308 its reverse (80322221), we get a palindrome (92544529).

The spelling of 12222308 in words is "twelve million, two hundred twenty-two thousand, three hundred eight".