163422 has 24 divisors (see below), whose sum is σ = 404976. Its totient is φ = 46656.

The previous prime is 163417. The next prime is 163433. The reversal of 163422 is 224361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 163395 and 163404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (16874).

2¹⁶³⁴²² is an apocalyptic number.

163422 is an abundant number, since it is smaller than the sum of its proper divisors (241554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163422 is a wasteful number, since it uses less digits than its factorization.

163422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1309 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 163422 is about 404.2548701005. The cubic root of 163422 is about 54.6726561618.

Adding to 163422 its reverse (224361), we get a palindrome (387783).

It can be divided in two parts, 163 and 422, that multiplied together give a palindrome (68786).

The spelling of 163422 in words is "one hundred sixty-three thousand, four hundred twenty-two".