22565222320163 has 8 divisors (see below), whose sum is σ = 22950327674160. Its totient is φ = 22180205098240.

The previous prime is 22565222320037. The next prime is 22565222320213. The reversal of 22565222320163 is 36102322256522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22565222320163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22565222320163.

It is not an unprimeable number, because it can be changed into a prime (22565222320463) 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 7 ways as a sum of consecutive naturals, for example, 21516470 + ... + 22540827.

It is an arithmetic number, because the mean of its divisors is an integer number (2868790959270).

Almost surely, 2^{22565222320163} is an apocalyptic number.

22565222320163 is a deficient number, since it is larger than the sum of its proper divisors (385105353997).

22565222320163 is an equidigital number, since it uses as much as digits as its factorization.

22565222320163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44066037.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 22565222320163 its reverse (36102322256522), we get a palindrome (58667544576685).

The spelling of 22565222320163 in words is "twenty-two trillion, five hundred sixty-five billion, two hundred twenty-two million, three hundred twenty thousand, one hundred sixty-three".