199999999994022 has 128 divisors (see below), whose sum is σ = 458143752568320. Its totient is φ = 64632308590080.

The previous prime is 199999999993939. The next prime is 199999999994027. The reversal of 199999999994022 is 220499999999991.

199999999994022 is a `hidden beast` number, since 19 + 9 + 9 + 9 + 9 + 9 + 99 + 99 + 402 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199999999994027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2769011473 + ... + 2769083699.

It is an arithmetic number, because the mean of its divisors is an integer number (3579248066940).

Almost surely, 2^{199999999994022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199999999994022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229071876284160).

199999999994022 is an abundant number, since it is smaller than the sum of its proper divisors (258143752574298).

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

199999999994022 is a wasteful number, since it uses less digits than its factorization.

199999999994022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80115 (or 80109 counting only the distinct ones).

The product of its (nonzero) digits is 55788550416, while the sum is 99.

The spelling of 199999999994022 in words is "one hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-four thousand, twenty-two".