99998922 has 8 divisors (see below), whose sum is σ = 199997856. Its totient is φ = 33332972.

The previous prime is 99998909. The next prime is 99998929. The reversal of 99998922 is 22989999.

It is a sphenic number, since it is the product of 3 distinct primes.

99998922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99998929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8333238 + ... + 8333249.

It is an arithmetic number, because the mean of its divisors is an integer number (24999732).

Almost surely, 2^99998922 is an apocalyptic number.

99998922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99998922 is a wasteful number, since it uses less digits than its factorization.

99998922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666492.

The product of its digits is 1889568, while the sum is 57.

The square root of 99998922 is about 9999.9460998547. The cubic root of 99998922 is about 464.1572154777.

The spelling of 99998922 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred twenty-two".