12223456667 has 4 divisors (see below), whose sum is σ = 12223741200. Its totient is φ = 12223172136.

The previous prime is 12223456633. The next prime is 12223456673. The reversal of 12223456667 is 76665432221.

12223456667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12223456667 - 2⁸ = 12223456411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12223456627) by changing a digit.

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, 63167 + ... + 168632.

It is an arithmetic number, because the mean of its divisors is an integer number (3055935300).

Almost surely, 2^12223456667 is an apocalyptic number.

12223456667 is a deficient number, since it is larger than the sum of its proper divisors (284533).

12223456667 is an equidigital number, since it uses as much as digits as its factorization.

12223456667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284532.

The product of its digits is 725760, while the sum is 44.

Adding to 12223456667 its reverse (76665432221), we get a palindrome (88888888888).

The spelling of 12223456667 in words is "twelve billion, two hundred twenty-three million, four hundred fifty-six thousand, six hundred sixty-seven".