12222202 has 8 divisors (see below), whose sum is σ = 18396756. Its totient is φ = 6089952.

The previous prime is 12222151. The next prime is 12222211. The reversal of 12222202 is 20222221.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 3806401 = 2901^2 + 1951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9843 + ... + 11014.

Almost surely, 2^12222202 is an apocalyptic number.

12222202 is a deficient number, since it is larger than the sum of its proper divisors (6174554).

12222202 is a wasteful number, since it uses less digits than its factorization.

12222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 12222202 is about 3496.0266017295. The cubic root of 12222202 is about 230.3473139602.

Adding to 12222202 its reverse (20222221), we get a palindrome (32444423).

The spelling of 12222202 in words is "twelve million, two hundred twenty-two thousand, two hundred two".