12222663 has 16 divisors (see below), whose sum is σ = 16644096. Its totient is φ = 7976960.

The previous prime is 12222647. The next prime is 12222667. The reversal of 12222663 is 36622221.

It is a cyclic number.

It is not a de Polignac number, because 12222663 - 2⁴ = 12222647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47431 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (1040256).

Almost surely, 2^12222663 is an apocalyptic number.

12222663 is a deficient number, since it is larger than the sum of its proper divisors (4421433).

12222663 is a wasteful number, since it uses less digits than its factorization.

12222663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 1728, while the sum is 24.

The square root of 12222663 is about 3496.0925331003. The cubic root of 12222663 is about 230.3502100225.

Adding to 12222663 its reverse (36622221), we get a palindrome (48844884).

The spelling of 12222663 in words is "twelve million, two hundred twenty-two thousand, six hundred sixty-three".