12443415222 has 64 divisors (see below), whose sum is σ = 28637305344. Its totient is φ = 3530926080.

The previous prime is 12443415209. The next prime is 12443415227. The reversal of 12443415222 is 22251434421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12443415222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443415227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7675572 + ... + 7677192.

It is an arithmetic number, because the mean of its divisors is an integer number (447457896).

Almost surely, 2^12443415222 is an apocalyptic number.

12443415222 is an abundant number, since it is smaller than the sum of its proper divisors (16193890122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12443415222 is a wasteful number, since it uses less digits than its factorization.

12443415222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its digits is 15360, while the sum is 30.

Adding to 12443415222 its reverse (22251434421), we get a palindrome (34694849643).

It can be divided in two parts, 124434 and 15222, that added together give a triangular number (139656 = T₅₂₈).

The spelling of 12443415222 in words is "twelve billion, four hundred forty-three million, four hundred fifteen thousand, two hundred twenty-two".