12223267 has 4 divisors (see below), whose sum is σ = 13969456. Its totient is φ = 10477080.

The previous prime is 12223199. The next prime is 12223271. The reversal of 12223267 is 76232221.

12223267 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12223267 - 2⁷ = 12223139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220267) 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 3 ways as a sum of consecutive naturals, for example, 873084 + ... + 873097.

It is an arithmetic number, because the mean of its divisors is an integer number (3492364).

Almost surely, 2^12223267 is an apocalyptic number.

12223267 is a deficient number, since it is larger than the sum of its proper divisors (1746189).

12223267 is an equidigital number, since it uses as much as digits as its factorization.

12223267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746188.

The product of its digits is 2016, while the sum is 25.

The square root of 12223267 is about 3496.1789141862. The cubic root of 12223267 is about 230.3540043194.

Adding to 12223267 its reverse (76232221), we get a palindrome (88455488).

It can be divided in two parts, 1222 and 3267, that added together give a square (4489 = 67²).

The spelling of 12223267 in words is "twelve million, two hundred twenty-three thousand, two hundred sixty-seven".