422171 has 4 divisors (see below), whose sum is σ = 424512. Its totient is φ = 419832.

The previous prime is 422141. The next prime is 422183. The reversal of 422171 is 171224.

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

It is a cyclic number.

It is not a de Polignac number, because 422171 - 2¹⁰ = 421147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (106128).

2⁴²²¹⁷¹ is an apocalyptic number.

422171 is a deficient number, since it is larger than the sum of its proper divisors (2341).

422171 is a wasteful number, since it uses less digits than its factorization.

422171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its digits is 112, while the sum is 17.

The square root of 422171 is about 649.7468737901. The cubic root of 422171 is about 75.0175366400.

Adding to 422171 its reverse (171224), we get a palindrome (593395).

The spelling of 422171 in words is "four hundred twenty-two thousand, one hundred seventy-one", and thus it is an iban number.