22105312241 has 4 divisors (see below), whose sum is σ = 22385126400. Its totient is φ = 21825498084.

The previous prime is 22105312199. The next prime is 22105312261. The reversal of 22105312241 is 14221350122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22105312241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22105312261) 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 3 ways as a sum of consecutive naturals, for example, 139906961 + ... + 139907118.

It is an arithmetic number, because the mean of its divisors is an integer number (5596281600).

Almost surely, 2^22105312241 is an apocalyptic number.

It is an amenable number.

22105312241 is a deficient number, since it is larger than the sum of its proper divisors (279814159).

22105312241 is an equidigital number, since it uses as much as digits as its factorization.

22105312241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279814158.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22105312241 its reverse (14221350122), we get a palindrome (36326662363).

The spelling of 22105312241 in words is "twenty-two billion, one hundred five million, three hundred twelve thousand, two hundred forty-one".