18133214 has 16 divisors (see below), whose sum is σ = 29811456. Its totient is φ = 8203800.

The previous prime is 18133189. The next prime is 18133217. The reversal of 18133214 is 41233181.

It is a super-3 number, since 3×18133214³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18133214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18133217) 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, 3179 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1863216).

Almost surely, 2^18133214 is an apocalyptic number.

18133214 is a deficient number, since it is larger than the sum of its proper divisors (11678242).

18133214 is a wasteful number, since it uses less digits than its factorization.

18133214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

The product of its digits is 576, while the sum is 23.

The square root of 18133214 is about 4258.3111675875. The cubic root of 18133214 is about 262.7190685246.

Adding to 18133214 its reverse (41233181), we get a palindrome (59366395).

The spelling of 18133214 in words is "eighteen million, one hundred thirty-three thousand, two hundred fourteen".