22443402344 has 48 divisors (see below), whose sum is σ = 46513504800. Its totient is φ = 10144476320.

The previous prime is 22443402287. The next prime is 22443402361. The reversal of 22443402344 is 44320434422.

It is a self number, because there is not a number n which added to its sum of digits gives 22443402344.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 108509 + ... + 238035.

It is an arithmetic number, because the mean of its divisors is an integer number (969031350).

Almost surely, 2^22443402344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22443402344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23256752400).

22443402344 is an abundant number, since it is smaller than the sum of its proper divisors (24070102456).

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

22443402344 is a wasteful number, since it uses less digits than its factorization.

22443402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129734 (or 129719 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 22443402344 its reverse (44320434422), we get a palindrome (66763836766).

The spelling of 22443402344 in words is "twenty-two billion, four hundred forty-three million, four hundred two thousand, three hundred forty-four".