22040244443 has 24 divisors (see below), whose sum is σ = 25892086752. Its totient is φ = 18705249024.

The previous prime is 22040244433. The next prime is 22040244449. The reversal of 22040244443 is 34444204022.

It is not a de Polignac number, because 22040244443 - 2¹⁴ = 22040228059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22040244449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8896721 + ... + 8899197.

It is an arithmetic number, because the mean of its divisors is an integer number (1078836948).

Almost surely, 2^22040244443 is an apocalyptic number.

22040244443 is a deficient number, since it is larger than the sum of its proper divisors (3851842309).

22040244443 is a wasteful number, since it uses less digits than its factorization.

22040244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 22040244443 its reverse (34444204022), we get a palindrome (56484448465).

The spelling of 22040244443 in words is "twenty-two billion, forty million, two hundred forty-four thousand, four hundred forty-three".