99218122 has 16 divisors (see below), whose sum is σ = 150670080. Its totient is φ = 48997872.

The previous prime is 99218111. The next prime is 99218131. The reversal of 99218122 is 22181299.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100443 + ... + 101425.

It is an arithmetic number, because the mean of its divisors is an integer number (9416880).

Almost surely, 2^99218122 is an apocalyptic number.

99218122 is a deficient number, since it is larger than the sum of its proper divisors (51451958).

99218122 is a wasteful number, since it uses less digits than its factorization.

99218122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its digits is 5184, while the sum is 34.

The square root of 99218122 is about 9960.8293831387. The cubic root of 99218122 is about 462.9459980214.

The spelling of 99218122 in words is "ninety-nine million, two hundred eighteen thousand, one hundred twenty-two".