163222 has 4 divisors (see below), whose sum is σ = 244836. Its totient is φ = 81610.

The previous prime is 163211. The next prime is 163223. The reversal of 163222 is 222361.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 163196 and 163205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163223) by changing a digit.

163222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 40804 + ... + 40807.

It is an arithmetic number, because the mean of its divisors is an integer number (61209).

2¹⁶³²²² is an apocalyptic number.

163222 is a deficient number, since it is larger than the sum of its proper divisors (81614).

163222 is an equidigital number, since it uses as much as digits as its factorization.

163222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81613.

The product of its digits is 144, while the sum is 16.

The square root of 163222 is about 404.0074256743. The cubic root of 163222 is about 54.6503437948.

Adding to 163222 its reverse (222361), we get a palindrome (385583).

The spelling of 163222 in words is "one hundred sixty-three thousand, two hundred twenty-two".