22175472481 has 2 divisors, whose sum is σ = 22175472482. Its totient is φ = 22175472480.

The previous prime is 22175472479. The next prime is 22175472491. The reversal of 22175472481 is 18427457122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11966390881 + 10209081600 = 109391^2 + 101040^2 .

It is a cyclic number.

It is not a de Polignac number, because 22175472481 - 2¹ = 22175472479 is a prime.

It is a super-2 number, since 2×22175472481² (a number of 21 digits) contains 22 as substring.

Together with 22175472479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22175472491) 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 as a sum of consecutive naturals, namely, 11087736240 + 11087736241.

It is an arithmetic number, because the mean of its divisors is an integer number (11087736241).

Almost surely, 2^22175472481 is an apocalyptic number.

It is an amenable number.

22175472481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22175472481 is an equidigital number, since it uses as much as digits as its factorization.

22175472481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 43.

The spelling of 22175472481 in words is "twenty-two billion, one hundred seventy-five million, four hundred seventy-two thousand, four hundred eighty-one".