22844040641 has 4 divisors (see below), whose sum is σ = 22997356500. Its totient is φ = 22690724784.

The previous prime is 22844040623. The next prime is 22844040671. The reversal of 22844040641 is 14604044822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1585234225 + 21258806416 = 39815^2 + 145804^2 .

It is a cyclic number.

It is not a de Polignac number, because 22844040641 - 2⁶ = 22844040577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22844040671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76657706 + ... + 76658003.

It is an arithmetic number, because the mean of its divisors is an integer number (5749339125).

Almost surely, 2^22844040641 is an apocalyptic number.

It is an amenable number.

22844040641 is a deficient number, since it is larger than the sum of its proper divisors (153315859).

22844040641 is a wasteful number, since it uses less digits than its factorization.

22844040641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153315858.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 22844040641 in words is "twenty-two billion, eight hundred forty-four million, forty thousand, six hundred forty-one".