99318219 has 32 divisors (see below), whose sum is σ = 177805824. Its totient is φ = 47623680.

The previous prime is 99318211. The next prime is 99318221. The reversal of 99318219 is 91281399.

It is not a de Polignac number, because 99318219 - 2³ = 99318211 is a prime.

It is a super-2 number, since 2×99318219² = 19728217250663922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99318211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13534 + ... + 19539.

It is an arithmetic number, because the mean of its divisors is an integer number (5556432).

Almost surely, 2^99318219 is an apocalyptic number.

99318219 is a deficient number, since it is larger than the sum of its proper divisors (78487605).

99318219 is a wasteful number, since it uses less digits than its factorization.

99318219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33107.

The product of its digits is 34992, while the sum is 42.

The square root of 99318219 is about 9965.8526479173. The cubic root of 99318219 is about 463.1016279609.

The spelling of 99318219 in words is "ninety-nine million, three hundred eighteen thousand, two hundred nineteen".