165422 has 8 divisors (see below), whose sum is σ = 250776. Its totient is φ = 81832.

The previous prime is 165397. The next prime is 165437. The reversal of 165422 is 224561.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 165394 and 165403.

It is a congruent number.

It is an unprimeable number.

165422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (31347).

2¹⁶⁵⁴²² is an apocalyptic number.

165422 is a deficient number, since it is larger than the sum of its proper divisors (85354).

165422 is a wasteful number, since it uses less digits than its factorization.

165422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

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

The square root of 165422 is about 406.7210346171. The cubic root of 165422 is about 54.8947850782.

Adding to 165422 its reverse (224561), we get a palindrome (389983).

The spelling of 165422 in words is "one hundred sixty-five thousand, four hundred twenty-two".