422206 has 8 divisors (see below), whose sum is σ = 636120. Its totient is φ = 210168.

The previous prime is 422203. The next prime is 422209. The reversal of 422206 is 602224.

It is an interprime number because it is at equal distance from previous prime (422203) and next prime (422209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 422206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (79515).

2⁴²²²⁰⁶ is an apocalyptic number.

422206 is a deficient number, since it is larger than the sum of its proper divisors (213914).

422206 is a wasteful number, since it uses less digits than its factorization.

422206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 422206 is about 649.7738067974. The cubic root of 422206 is about 75.0196096872.

The spelling of 422206 in words is "four hundred twenty-two thousand, two hundred six".