18330214 has 12 divisors (see below), whose sum is σ = 31984524. Its totient is φ = 7855764.

The previous prime is 18330211. The next prime is 18330229. The reversal of 18330214 is 41203381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18330211) 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 5 ways as a sum of consecutive naturals, for example, 93424 + ... + 93619.

It is an arithmetic number, because the mean of its divisors is an integer number (2665377).

Almost surely, 2^18330214 is an apocalyptic number.

18330214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18330214 is a deficient number, since it is larger than the sum of its proper divisors (13654310).

18330214 is a wasteful number, since it uses less digits than its factorization.

18330214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187059 (or 187052 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 18330214 is about 4281.3799177368. The cubic root of 18330214 is about 263.6670408362.

Adding to 18330214 its reverse (41203381), we get a palindrome (59533595).

The spelling of 18330214 in words is "eighteen million, three hundred thirty thousand, two hundred fourteen".