422173 has 4 divisors (see below), whose sum is σ = 425020. Its totient is φ = 419328.

The previous prime is 422141. The next prime is 422183. The reversal of 422173 is 371224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 363609 = 242^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 422173 - 2⁵ = 422141 is a prime.

It is a Duffinian number.

422173 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 422173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422113) 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, 1188 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (106255).

2⁴²²¹⁷³ is an apocalyptic number.

It is an amenable number.

422173 is a deficient number, since it is larger than the sum of its proper divisors (2847).

422173 is a wasteful number, since it uses less digits than its factorization.

422173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its digits is 336, while the sum is 19.

The square root of 422173 is about 649.7484128492. The cubic root of 422173 is about 75.0176551029.

Adding to 422173 its reverse (371224), we get a palindrome (793397).

It can be divided in two parts, 422 and 173, that added together give a palindrome (595).

The spelling of 422173 in words is "four hundred twenty-two thousand, one hundred seventy-three", and thus it is an iban number.