12222246 has 32 divisors (see below), whose sum is σ = 26339328. Its totient is φ = 3769920.

The previous prime is 12222241. The next prime is 12222257. The reversal of 12222246 is 64222221.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222241) 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, 2850 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (823104).

Almost surely, 2^12222246 is an apocalyptic number.

12222246 is an abundant number, since it is smaller than the sum of its proper divisors (14117082).

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

12222246 is a wasteful number, since it uses less digits than its factorization.

12222246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916.

The product of its digits is 768, while the sum is 21.

The square root of 12222246 is about 3496.0328945821. The cubic root of 12222246 is about 230.3475903771.

Adding to 12222246 its reverse (64222221), we get a palindrome (76444467).

The spelling of 12222246 in words is "twelve million, two hundred twenty-two thousand, two hundred forty-six".