12224446789 has 4 divisors (see below), whose sum is σ = 12229230124. Its totient is φ = 12219663456.

The previous prime is 12224446771. The next prime is 12224446867. The reversal of 12224446789 is 98764442221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8030848225 + 4193598564 = 89615^2 + 64758^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224446789 - 2¹¹ = 12224444741 is a prime.

It is a Duffinian number.

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 (12224446489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387832 + ... + 2392945.

It is an arithmetic number, because the mean of its divisors is an integer number (3057307531).

Almost surely, 2^12224446789 is an apocalyptic number.

It is an amenable number.

12224446789 is a deficient number, since it is larger than the sum of its proper divisors (4783335).

12224446789 is an equidigital number, since it uses as much as digits as its factorization.

12224446789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783334.

The product of its digits is 1548288, while the sum is 49.

The spelling of 12224446789 in words is "twelve billion, two hundred twenty-four million, four hundred forty-six thousand, seven hundred eighty-nine".