22105345443 has 16 divisors (see below), whose sum is σ = 30609380736. Its totient is φ = 14179334400.

The previous prime is 22105345397. The next prime is 22105345459. The reversal of 22105345443 is 34454350122.

It is not a de Polignac number, because 22105345443 - 2⁸ = 22105345187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22105345543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1270158 + ... + 1287443.

It is an arithmetic number, because the mean of its divisors is an integer number (1913086296).

Almost surely, 2^22105345443 is an apocalyptic number.

22105345443 is a deficient number, since it is larger than the sum of its proper divisors (8504035293).

22105345443 is a wasteful number, since it uses less digits than its factorization.

22105345443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557714.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22105345443 its reverse (34454350122), we get a palindrome (56559695565).

The spelling of 22105345443 in words is "twenty-two billion, one hundred five million, three hundred forty-five thousand, four hundred forty-three".