22109834850 has 96 divisors (see below), whose sum is σ = 55769745984. Its totient is φ = 5795712000.

The previous prime is 22109834843. The next prime is 22109834867. The reversal of 22109834850 is 5843890122.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3424125 + ... + 3430575.

It is an arithmetic number, because the mean of its divisors is an integer number (580934854).

Almost surely, 2^22109834850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22109834850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27884872992).

22109834850 is an abundant number, since it is smaller than the sum of its proper divisors (33659911134).

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

22109834850 is a wasteful number, since it uses less digits than its factorization.

22109834850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 22109834850 in words is "twenty-two billion, one hundred nine million, eight hundred thirty-four thousand, eight hundred fifty".