22125320443 has 2 divisors, whose sum is σ = 22125320444. Its totient is φ = 22125320442.

The previous prime is 22125320423. The next prime is 22125320447. The reversal of 22125320443 is 34402352122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22125320443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22125320447) 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 as a sum of consecutive naturals, namely, 11062660221 + 11062660222.

It is an arithmetic number, because the mean of its divisors is an integer number (11062660222).

Almost surely, 2^22125320443 is an apocalyptic number.

22125320443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125320443 is an equidigital number, since it uses as much as digits as its factorization.

22125320443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22125320443 its reverse (34402352122), we get a palindrome (56527672565).

The spelling of 22125320443 in words is "twenty-two billion, one hundred twenty-five million, three hundred twenty thousand, four hundred forty-three".