22216837169 has 4 divisors (see below), whose sum is σ = 22358345844. Its totient is φ = 22075328496.

The previous prime is 22216837121. The next prime is 22216837213. The reversal of 22216837169 is 96173861222.

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 4639380769 + 17577456400 = 68113^2 + 132580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22216837169 - 2²⁴ = 22200059953 is a prime.

It is a super-2 number, since 2×22216837169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22216837369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70754102 + ... + 70754415.

It is an arithmetic number, because the mean of its divisors is an integer number (5589586461).

Almost surely, 2^22216837169 is an apocalyptic number.

It is an amenable number.

22216837169 is a deficient number, since it is larger than the sum of its proper divisors (141508675).

22216837169 is a wasteful number, since it uses less digits than its factorization.

22216837169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141508674.

The product of its digits is 435456, while the sum is 47.

The spelling of 22216837169 in words is "twenty-two billion, two hundred sixteen million, eight hundred thirty-seven thousand, one hundred sixty-nine".