99318220 has 12 divisors (see below), whose sum is σ = 208568304. Its totient is φ = 39727280.

The previous prime is 99318211. The next prime is 99318221. The reversal of 99318220 is 2281399.

It is not an unprimeable number, because it can be changed into a prime (99318221) 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, 2482936 + ... + 2482975.

It is an arithmetic number, because the mean of its divisors is an integer number (17380692).

Almost surely, 2^99318220 is an apocalyptic number.

It is an amenable number.

99318220 is an abundant number, since it is smaller than the sum of its proper divisors (109250084).

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

99318220 is a wasteful number, since it uses less digits than its factorization.

99318220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965920 (or 4965918 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 99318220 is about 9965.8526980886. The cubic root of 99318220 is about 463.1016295151.

The spelling of 99318220 in words is "ninety-nine million, three hundred eighteen thousand, two hundred twenty".