422165 has 8 divisors (see below), whose sum is σ = 528768. Its totient is φ = 322960.

The previous prime is 422141. The next prime is 422183. The reversal of 422165 is 561224.

It is a happy number.

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

It is not a de Polignac number, because 422165 - 2⁶ = 422101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2⁴²²¹⁶⁵ is an apocalyptic number.

It is an amenable number.

422165 is a deficient number, since it is larger than the sum of its proper divisors (106603).

422165 is a wasteful number, since it uses less digits than its factorization.

422165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699.

The product of its digits is 480, while the sum is 20.

The square root of 422165 is about 649.7422565910. The cubic root of 422165 is about 75.0171812489.

Adding to 422165 its reverse (561224), we get a palindrome (983389).

The spelling of 422165 in words is "four hundred twenty-two thousand, one hundred sixty-five".