22443444140232 has 64 divisors (see below), whose sum is σ = 56563272218880. Its totient is φ = 7420726213632.

The previous prime is 22443444140219. The next prime is 22443444140233. The reversal of 22443444140232 is 23204144434422.

It is not an unprimeable number, because it can be changed into a prime (22443444140233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4444048 + ... + 8039679.

It is an arithmetic number, because the mean of its divisors is an integer number (883801128420).

Almost surely, 2^{22443444140232} is an apocalyptic number.

It is an amenable number.

22443444140232 is an abundant number, since it is smaller than the sum of its proper divisors (34119828078648).

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

22443444140232 is a wasteful number, since it uses less digits than its factorization.

22443444140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484342 (or 12484338 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 22443444140232 its reverse (23204144434422), we get a palindrome (45647588574654).

The spelling of 22443444140232 in words is "twenty-two trillion, four hundred forty-three billion, four hundred forty-four million, one hundred forty thousand, two hundred thirty-two".