12443322222 has 40 divisors (see below), whose sum is σ = 28635847416. Its totient is φ = 4035670128.

The previous prime is 12443322191. The next prime is 12443322223. The reversal of 12443322222 is 22222334421.

12443322222 is a `hidden beast` number, since 1 + 2 + 4 + 433 + 2 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443322223) 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 19 ways as a sum of consecutive naturals, for example, 1031988 + ... + 1043975.

Almost surely, 2^12443322222 is an apocalyptic number.

12443322222 is an abundant number, since it is smaller than the sum of its proper divisors (16192525194).

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

12443322222 is a wasteful number, since it uses less digits than its factorization.

12443322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076014 (or 2076005 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 12443322222 its reverse (22222334421), we get a palindrome (34665656643).

The spelling of 12443322222 in words is "twelve billion, four hundred forty-three million, three hundred twenty-two thousand, two hundred twenty-two".