12223244443 has 4 divisors (see below), whose sum is σ = 12942258840. Its totient is φ = 11504230048.

The previous prime is 12223244437. The next prime is 12223244447. The reversal of 12223244443 is 34444232221.

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 12223244443 - 2⁹ = 12223243931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223244447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359507173 + ... + 359507206.

It is an arithmetic number, because the mean of its divisors is an integer number (3235564710).

Almost surely, 2^12223244443 is an apocalyptic number.

12223244443 is a deficient number, since it is larger than the sum of its proper divisors (719014397).

12223244443 is an equidigital number, since it uses as much as digits as its factorization.

12223244443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719014396.

The product of its digits is 36864, while the sum is 31.

Adding to 12223244443 its reverse (34444232221), we get a palindrome (46667476664).

The spelling of 12223244443 in words is "twelve billion, two hundred twenty-three million, two hundred forty-four thousand, four hundred forty-three".