22108859863 has 4 divisors (see below), whose sum is σ = 22224613248. Its totient is φ = 21993106480.

The previous prime is 22108859849. The next prime is 22108859869. The reversal of 22108859863 is 36895880122.

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

It is a cyclic number.

It is not a de Polignac number, because 22108859863 - 2¹³ = 22108851671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22108859863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22108859869) 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, 57876406 + ... + 57876787.

It is an arithmetic number, because the mean of its divisors is an integer number (5556153312).

Almost surely, 2^22108859863 is an apocalyptic number.

22108859863 is a deficient number, since it is larger than the sum of its proper divisors (115753385).

22108859863 is a wasteful number, since it uses less digits than its factorization.

22108859863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115753384.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 22108859863 in words is "twenty-two billion, one hundred eight million, eight hundred fifty-nine thousand, eight hundred sixty-three".