218032150 has 48 divisors (see below), whose sum is σ = 479478240. Its totient is φ = 72172800.

The previous prime is 218032103. The next prime is 218032169. The reversal of 218032150 is 51230812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591 + ... + 20890.

It is an arithmetic number, because the mean of its divisors is an integer number (9989130).

Almost surely, 2^218032150 is an apocalyptic number.

218032150 is an abundant number, since it is smaller than the sum of its proper divisors (261446090).

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

218032150 is a wasteful number, since it uses less digits than its factorization.

218032150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529 (or 21524 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 218032150 is about 14765.9117564748. The cubic root of 218032150 is about 601.8757501949.

Adding to 218032150 its reverse (51230812), we get a palindrome (269262962).

The spelling of 218032150 in words is "two hundred eighteen million, thirty-two thousand, one hundred fifty".