22039118208 has 96 divisors (see below), whose sum is σ = 63520624440. Its totient is φ = 7334701056.

The previous prime is 22039118203. The next prime is 22039118263. The reversal of 22039118208 is 80281193022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039118201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725860 + ... + 755612.

Almost surely, 2^22039118208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22039118208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31760312220).

22039118208 is an abundant number, since it is smaller than the sum of its proper divisors (41481506232).

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

22039118208 is a wasteful number, since it uses less digits than its factorization.

22039118208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30416 (or 30401 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 22039118208 in words is "twenty-two billion, thirty-nine million, one hundred eighteen thousand, two hundred eight".