218852994 has 32 divisors (see below), whose sum is σ = 459256320. Its totient is φ = 69436800.

The previous prime is 218852993. The next prime is 218853023. The reversal of 218852994 is 499258812.

It is not an unprimeable number, because it can be changed into a prime (218852993) 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 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (14351760).

Almost surely, 2^218852994 is an apocalyptic number.

218852994 is an abundant number, since it is smaller than the sum of its proper divisors (240403326).

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

218852994 is a wasteful number, since it uses less digits than its factorization.

218852994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19386.

The product of its digits is 414720, while the sum is 48.

The square root of 218852994 is about 14793.6808807004. The cubic root of 218852994 is about 602.6301150893.

The spelling of 218852994 in words is "two hundred eighteen million, eight hundred fifty-two thousand, nine hundred ninety-four".