Subtracting from 171422 its sum of digits (17), we obtain a triangular number (171405 = T585).
Adding to 171422 its reverse (224171), we get a palindrome (395593).
171422 is nontrivially palindromic in base 3.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 171422.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 171422.
2171422 is an apocalyptic number.
171422 is an equidigital number, since it uses as much as digits as its factorization.
171422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85713.
The square root of 171422 is about 414.0313997754. The cubic root of 171422 is about 55.5506125973.
The spelling of 171422 in words is "one hundred seventy-one thousand, four hundred twenty-two", and thus it is an iban number.