22167169 has 4 divisors (see below), whose sum is σ = 22197060. Its totient is φ = 22137280.

The previous prime is 22167161. The next prime is 22167179. The reversal of 22167169 is 96176122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 20358144 = 1345^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 22167169 - 2³ = 22167161 is a prime.

It is a super-2 number, since 2×22167169² = 982766762949122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22167161) 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, 13804 + ... + 15325.

It is an arithmetic number, because the mean of its divisors is an integer number (5549265).

Almost surely, 2^22167169 is an apocalyptic number.

It is an amenable number.

22167169 is a deficient number, since it is larger than the sum of its proper divisors (29891).

22167169 is an equidigital number, since it uses as much as digits as its factorization.

22167169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29890.

The product of its digits is 9072, while the sum is 34.

The square root of 22167169 is about 4708.2023108613. The cubic root of 22167169 is about 280.9118613489.

The spelling of 22167169 in words is "twenty-two million, one hundred sixty-seven thousand, one hundred sixty-nine".