22454545163 has 4 divisors (see below), whose sum is σ = 23061424800. Its totient is φ = 21847665528.

The previous prime is 22454545151. The next prime is 22454545181. The reversal of 22454545163 is 36154545422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22454545163 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 22454545163.

It is not an unprimeable number, because it can be changed into a prime (22454545103) 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, 303439763 + ... + 303439836.

It is an arithmetic number, because the mean of its divisors is an integer number (5765356200).

Almost surely, 2^22454545163 is an apocalyptic number.

22454545163 is a deficient number, since it is larger than the sum of its proper divisors (606879637).

22454545163 is an equidigital number, since it uses as much as digits as its factorization.

22454545163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606879636.

The product of its digits is 576000, while the sum is 41.

The spelling of 22454545163 in words is "twenty-two billion, four hundred fifty-four million, five hundred forty-five thousand, one hundred sixty-three".