320022 has 24 divisors (see below), whose sum is σ = 724464. Its totient is φ = 101904.

The previous prime is 320011. The next prime is 320027. The reversal of 320022 is 220023.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 319986 and 320013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320022.

It is not an unprimeable number, because it can be changed into a prime (320027) by changing a digit.

320022 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 11 ways as a sum of consecutive naturals, for example, 28 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (30186).

2³²⁰⁰²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362232).

320022 is an abundant number, since it is smaller than the sum of its proper divisors (404442).

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

320022 is a wasteful number, since it uses less digits than its factorization.

320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 320022 is about 565.7048700515. The cubic root of 320022 is about 68.4006053091.

Adding to 320022 its reverse (220023), we get a palindrome (540045).

Subtracting from 320022 its reverse (220023), we obtain a palindrome (99999).

The spelling of 320022 in words is "three hundred twenty thousand, twenty-two", and thus it is an iban number.