22165323 has 4 divisors (see below), whose sum is σ = 29553768. Its totient is φ = 14776880.

The previous prime is 22165321. The next prime is 22165327. The reversal of 22165323 is 32356122.

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

It is a cyclic number.

It is not a de Polignac number, because 22165323 - 2¹ = 22165321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22165293 and 22165302.

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 3 ways as a sum of consecutive naturals, for example, 3694218 + ... + 3694223.

It is an arithmetic number, because the mean of its divisors is an integer number (7388442).

Almost surely, 2^22165323 is an apocalyptic number.

22165323 is a deficient number, since it is larger than the sum of its proper divisors (7388445).

22165323 is an equidigital number, since it uses as much as digits as its factorization.

22165323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388444.

The product of its digits is 2160, while the sum is 24.

The square root of 22165323 is about 4708.0062659262. The cubic root of 22165323 is about 280.9040633648.

The spelling of 22165323 in words is "twenty-two million, one hundred sixty-five thousand, three hundred twenty-three".