99997716222 has 12 divisors (see below), whose sum is σ = 216661718520. Its totient is φ = 33332572068.

The previous prime is 99997716191. The next prime is 99997716233. The reversal of 99997716222 is 22261779999.

It is a self number, because there is not a number n which added to its sum of digits gives 99997716222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2777714322 + ... + 2777714357.

It is an arithmetic number, because the mean of its divisors is an integer number (18055143210).

Almost surely, 2^99997716222 is an apocalyptic number.

99997716222 is an abundant number, since it is smaller than the sum of its proper divisors (116664002298).

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

99997716222 is a wasteful number, since it uses less digits than its factorization.

99997716222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555428687 (or 5555428684 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 63.

The spelling of 99997716222 in words is "ninety-nine billion, nine hundred ninety-seven million, seven hundred sixteen thousand, two hundred twenty-two".