99218814 has 8 divisors (see below), whose sum is σ = 198437640. Its totient is φ = 33072936.

The previous prime is 99218807. The next prime is 99218827. The reversal of 99218814 is 41881299.

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

99218814 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 8268229 + ... + 8268240.

It is an arithmetic number, because the mean of its divisors is an integer number (24804705).

Almost surely, 2^99218814 is an apocalyptic number.

99218814 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.

99218814 is a wasteful number, since it uses less digits than its factorization.

99218814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536474.

The product of its digits is 41472, while the sum is 42.

The square root of 99218814 is about 9960.8641191415. The cubic root of 99218814 is about 462.9470742962.

The spelling of 99218814 in words is "ninety-nine million, two hundred eighteen thousand, eight hundred fourteen".