22768665 has 16 divisors (see below), whose sum is σ = 36786048. Its totient is φ = 12024576.

The previous prime is 22768657. The next prime is 22768667. The reversal of 22768665 is 56686722.

It is not a de Polignac number, because 22768665 - 2³ = 22768657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22768667) 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 15 ways as a sum of consecutive naturals, for example, 5824 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (2299128).

Almost surely, 2^22768665 is an apocalyptic number.

It is an amenable number.

22768665 is a deficient number, since it is larger than the sum of its proper divisors (14017383).

22768665 is a wasteful number, since it uses less digits than its factorization.

22768665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848.

The product of its digits is 241920, while the sum is 42.

The square root of 22768665 is about 4771.6522295742. The cubic root of 22768665 is about 283.4300254376.

The spelling of 22768665 in words is "twenty-two million, seven hundred sixty-eight thousand, six hundred sixty-five".