99822685 has 4 divisors (see below), whose sum is σ = 119787228. Its totient is φ = 79858144.

The previous prime is 99822677. The next prime is 99822719. The reversal of 99822685 is 58622899.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46049796 + 53772889 = 6786^2 + 7333^2 .

It is a cyclic number.

It is not a de Polignac number, because 99822685 - 2³ = 99822677 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9982264 + ... + 9982273.

It is an arithmetic number, because the mean of its divisors is an integer number (29946807).

Almost surely, 2^99822685 is an apocalyptic number.

It is an amenable number.

99822685 is a deficient number, since it is larger than the sum of its proper divisors (19964543).

99822685 is a wasteful number, since it uses less digits than its factorization.

99822685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964542.

The product of its digits is 622080, while the sum is 49.

The square root of 99822685 is about 9991.1303164357. The cubic root of 99822685 is about 463.8843799440.

The spelling of 99822685 in words is "ninety-nine million, eight hundred twenty-two thousand, six hundred eighty-five".