22786065 has 12 divisors (see below), whose sum is σ = 39495924. Its totient is φ = 12152544.

The previous prime is 22786061. The next prime is 22786079. The reversal of 22786065 is 56068722.

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 7033104 = 3969^2 + 2652^2 .

It is not a de Polignac number, because 22786065 - 2² = 22786061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22786061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253134 + ... + 253223.

It is an arithmetic number, because the mean of its divisors is an integer number (3291327).

Almost surely, 2^22786065 is an apocalyptic number.

It is an amenable number.

22786065 is a deficient number, since it is larger than the sum of its proper divisors (16709859).

22786065 is a wasteful number, since it uses less digits than its factorization.

22786065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506368 (or 506365 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 22786065 is about 4773.4751491969. The cubic root of 22786065 is about 283.5022069013.

The spelling of 22786065 in words is "twenty-two million, seven hundred eighty-six thousand, sixty-five".