22169 has 4 divisors (see below), whose sum is σ = 25344. Its totient is φ = 18996.

The previous prime is 22159. The next prime is 22171. The reversal of 22169 is 96122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22169 - 2⁴ = 22153 is a prime.

It is a super-2 number, since 2×22169² = 982929122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 22169.

It is not an unprimeable number, because it can be changed into a prime (22109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (6336).

2²²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

22169 is a deficient number, since it is larger than the sum of its proper divisors (3175).

22169 is an equidigital number, since it uses as much as digits as its factorization.

22169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174.

The product of its digits is 216, while the sum is 20.

The square root of 22169 is about 148.8925787271. The cubic root of 22169 is about 28.0919595541.

It can be divided in two parts, 22 and 169, that added together give a palindrome (191).

The spelling of 22169 in words is "twenty-two thousand, one hundred sixty-nine".