99118228 has 24 divisors (see below), whose sum is σ = 200358144. Its totient is φ = 42403200.

The previous prime is 99118223. The next prime is 99118237. The reversal of 99118228 is 82281199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99118223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65508 + ... + 67003.

It is an arithmetic number, because the mean of its divisors is an integer number (8348256).

Almost surely, 2^99118228 is an apocalyptic number.

It is an amenable number.

99118228 is an abundant number, since it is smaller than the sum of its proper divisors (101239916).

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

99118228 is a wasteful number, since it uses less digits than its factorization.

99118228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132543 (or 132541 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 99118228 is about 9955.8137788932. The cubic root of 99118228 is about 462.7905793154.

The spelling of 99118228 in words is "ninety-nine million, one hundred eighteen thousand, two hundred twenty-eight".