18422855822481 has 32 divisors (see below), whose sum is σ = 26907838046208. Its totient is φ = 11119215935040.

The previous prime is 18422855822479. The next prime is 18422855822509.

It is a happy number.

18422855822481 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 18422855822481 - 2¹ = 18422855822479 is a prime.

It is a super-2 number, since 2×18422855822481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18422855822401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8117136 + ... + 10135758.

It is an arithmetic number, because the mean of its divisors is an integer number (840869938944).

Almost surely, 2^{18422855822481} is an apocalyptic number.

18422855822481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18422855822481 is a deficient number, since it is larger than the sum of its proper divisors (8484982223727).

18422855822481 is a wasteful number, since it uses less digits than its factorization.

18422855822481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019781.

The product of its digits is 26214400, while the sum is 60.

The spelling of 18422855822481 in words is "eighteen trillion, four hundred twenty-two billion, eight hundred fifty-five million, eight hundred twenty-two thousand, four hundred eighty-one".