22005626173 has 2 divisors, whose sum is σ = 22005626174. Its totient is φ = 22005626172.

The previous prime is 22005626171. The next prime is 22005626177. The reversal of 22005626173 is 37162650022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13433273604 + 8572352569 = 115902^2 + 92587^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005626173 - 2¹ = 22005626171 is a prime.

Together with 22005626171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22005626171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002813086 + 11002813087.

It is an arithmetic number, because the mean of its divisors is an integer number (11002813087).

Almost surely, 2^22005626173 is an apocalyptic number.

It is an amenable number.

22005626173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005626173 is an equidigital number, since it uses as much as digits as its factorization.

22005626173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 22005626173 in words is "twenty-two billion, five million, six hundred twenty-six thousand, one hundred seventy-three".