22107065 has 4 divisors (see below), whose sum is σ = 26528484. Its totient is φ = 17685648.

The previous prime is 22107047. The next prime is 22107097. The reversal of 22107065 is 56070122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56070122 = 2 ⋅28035061.

It can be written as a sum of positive squares in 2 ways, for example, as 12020089 + 10086976 = 3467^2 + 3176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22107065 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 22107065.

It is an unprimeable number.

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, 2210702 + ... + 2210711.

It is an arithmetic number, because the mean of its divisors is an integer number (6632121).

Almost surely, 2^22107065 is an apocalyptic number.

It is an amenable number.

22107065 is a deficient number, since it is larger than the sum of its proper divisors (4421419).

22107065 is an equidigital number, since it uses as much as digits as its factorization.

22107065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421418.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22107065 is about 4701.8150750535. The cubic root of 22107065 is about 280.6577436607.

Adding to 22107065 its reverse (56070122), we get a palindrome (78177187).

The spelling of 22107065 in words is "twenty-two million, one hundred seven thousand, sixty-five".