12222282 has 32 divisors (see below), whose sum is σ = 26625600. Its totient is φ = 3725568.

The previous prime is 12222271. The next prime is 12222283. The reversal of 12222282 is 28222221.

It is not an unprimeable number, because it can be changed into a prime (12222283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (832050).

Almost surely, 2^12222282 is an apocalyptic number.

12222282 is an abundant number, since it is smaller than the sum of its proper divisors (14403318).

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

12222282 is a wasteful number, since it uses less digits than its factorization.

12222282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its digits is 512, while the sum is 21.

The square root of 12222282 is about 3496.0380432713. The cubic root of 12222282 is about 230.3478165359.

The spelling of 12222282 in words is "twelve million, two hundred twenty-two thousand, two hundred eighty-two".