22165326 has 40 divisors (see below), whose sum is σ = 50503464. Its totient is φ = 7264080.

The previous prime is 22165321. The next prime is 22165327. The reversal of 22165326 is 62356122.

22165326 is a `hidden beast` number, since 2 + 2 + 1 + 653 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22165326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165321) 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 19 ways as a sum of consecutive naturals, for example, 8761 + ... + 11003.

Almost surely, 2^22165326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22165326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25251732).

22165326 is an abundant number, since it is smaller than the sum of its proper divisors (28338138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22165326 is a wasteful number, since it uses less digits than its factorization.

22165326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2309 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22165326 is about 4708.0065845324. The cubic root of 22165326 is about 280.9040760379.

The spelling of 22165326 in words is "twenty-two million, one hundred sixty-five thousand, three hundred twenty-six".