22681065 has 32 divisors (see below), whose sum is σ = 40010112. Its totient is φ = 10880000.

The previous prime is 22681063. The next prime is 22681067. The reversal of 22681065 is 56018622.

It is an interprime number because it is at equal distance from previous prime (22681063) and next prime (22681067).

It is not a de Polignac number, because 22681065 - 2¹ = 22681063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22681063) 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 31 ways as a sum of consecutive naturals, for example, 15985 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (1250316).

Almost surely, 2^22681065 is an apocalyptic number.

It is an amenable number.

22681065 is a deficient number, since it is larger than the sum of its proper divisors (17329047).

22681065 is a wasteful number, since it uses less digits than its factorization.

22681065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22681065 is about 4762.4641730936. The cubic root of 22681065 is about 283.0660693882.

Adding to 22681065 its reverse (56018622), we get a palindrome (78699687).

It can be divided in two parts, 2268 and 1065, that added together give a palindrome (3333).

The spelling of 22681065 in words is "twenty-two million, six hundred eighty-one thousand, sixty-five".