22016165 has 8 divisors (see below), whose sum is σ = 26738208. Its totient is φ = 17400400.

The previous prime is 22016161. The next prime is 22016171. The reversal of 22016165 is 56161022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22016165 - 2² = 22016161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22016165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26111 + ... + 26940.

It is an arithmetic number, because the mean of its divisors is an integer number (3342276).

Almost surely, 2^22016165 is an apocalyptic number.

It is an amenable number.

22016165 is a deficient number, since it is larger than the sum of its proper divisors (4722043).

22016165 is an equidigital number, since it uses as much as digits as its factorization.

22016165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53139.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22016165 is about 4692.1386381905. The cubic root of 22016165 is about 280.2725449996.

Adding to 22016165 its reverse (56161022), we get a palindrome (78177187).

The spelling of 22016165 in words is "twenty-two million, sixteen thousand, one hundred sixty-five".