22106165 has 8 divisors (see below), whose sum is σ = 26553528. Its totient is φ = 17667520.

The previous prime is 22106159. The next prime is 22106209. The reversal of 22106165 is 56160122.

It can be written as a sum of positive squares in 4 ways, for example, as 1684804 + 20421361 = 1298^2 + 4519^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-22106165 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 22106165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6695 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (3319191).

Almost surely, 2^22106165 is an apocalyptic number.

It is an amenable number.

22106165 is a deficient number, since it is larger than the sum of its proper divisors (4447363).

22106165 is a wasteful number, since it uses less digits than its factorization.

22106165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359.

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

The square root of 22106165 is about 4701.7193663595. The cubic root of 22106165 is about 280.6539349929.

Adding to 22106165 its reverse (56160122), we get a palindrome (78266287).

The spelling of 22106165 in words is "twenty-two million, one hundred six thousand, one hundred sixty-five".