218150 has 12 divisors (see below), whose sum is σ = 405852. Its totient is φ = 87240.

The previous prime is 218149. The next prime is 218171. The reversal of 218150 is 51812.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2132 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (33821).

2²¹⁸¹⁵⁰ is an apocalyptic number.

218150 is a deficient number, since it is larger than the sum of its proper divisors (187702).

218150 is a wasteful number, since it uses less digits than its factorization.

218150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 218150 is about 467.0653059263. The cubic root of 218150 is about 60.1984171944.

Adding to 218150 its reverse (51812), we get a palindrome (269962).

The spelling of 218150 in words is "two hundred eighteen thousand, one hundred fifty".