163622 has 8 divisors (see below), whose sum is σ = 256176. Its totient is φ = 78232.

The previous prime is 163621. The next prime is 163627. The reversal of 163622 is 226361.

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 = 163594 and 163603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163621) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1733 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (32022).

2¹⁶³⁶²² is an apocalyptic number.

163622 is a deficient number, since it is larger than the sum of its proper divisors (92554).

163622 is a wasteful number, since it uses less digits than its factorization.

163622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582.

The product of its digits is 432, while the sum is 20.

The square root of 163622 is about 404.5021631586. The cubic root of 163622 is about 54.6949503319.

Adding to 163622 its reverse (226361), we get a palindrome (389983).

The spelling of 163622 in words is "one hundred sixty-three thousand, six hundred twenty-two".