100330218 has 16 divisors (see below), whose sum is σ = 222956160. Its totient is φ = 33443388.

The previous prime is 100330211. The next prime is 100330259. The reversal of 100330218 is 812033001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 100330218.

It is not an unprimeable number, because it can be changed into a prime (100330211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928930 + ... + 929037.

It is an arithmetic number, because the mean of its divisors is an integer number (13934760).

Almost surely, 2^100330218 is an apocalyptic number.

100330218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100330218 is an abundant number, since it is smaller than the sum of its proper divisors (122625942).

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

100330218 is a wasteful number, since it uses less digits than its factorization.

100330218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857978 (or 1857972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100330218 is about 10016.4972919679. The cubic root of 100330218 is about 464.6692340767.

Adding to 100330218 its reverse (812033001), we get a palindrome (912363219).

The spelling of 100330218 in words is "one hundred million, three hundred thirty thousand, two hundred eighteen".