22685436865 has 16 divisors (see below), whose sum is σ = 33504645888. Its totient is φ = 14359133376.

The previous prime is 22685436793. The next prime is 22685436869. The reversal of 22685436865 is 56863458622.

It is a happy number.

It is not a de Polignac number, because 22685436865 - 2⁷ = 22685436737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22685436869) 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, 24928597 + ... + 24929506.

It is an arithmetic number, because the mean of its divisors is an integer number (2094040368).

Almost surely, 2^22685436865 is an apocalyptic number.

It is an amenable number.

22685436865 is a deficient number, since it is larger than the sum of its proper divisors (10819209023).

22685436865 is a wasteful number, since it uses less digits than its factorization.

22685436865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49858128.

The product of its digits is 16588800, while the sum is 55.

The spelling of 22685436865 in words is "twenty-two billion, six hundred eighty-five million, four hundred thirty-six thousand, eight hundred sixty-five".