22840729808 has 20 divisors (see below), whose sum is σ = 47658061668. Its totient is φ = 10541875200.

The previous prime is 22840729789. The next prime is 22840729819. The reversal of 22840729808 is 80892704822.

It can be written as a sum of positive squares in 2 ways, for example, as 4166960704 + 18673769104 = 64552^2 + 136652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54905393 + ... + 54905808.

Almost surely, 2^22840729808 is an apocalyptic number.

It is an amenable number.

22840729808 is an abundant number, since it is smaller than the sum of its proper divisors (24817331860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22840729808 is a wasteful number, since it uses less digits than its factorization.

22840729808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109811222 (or 109811216 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 22840729808 in words is "twenty-two billion, eight hundred forty million, seven hundred twenty-nine thousand, eight hundred eight".