218851082 has 32 divisors (see below), whose sum is σ = 355380480. Its totient is φ = 100751040.

The previous prime is 218851069. The next prime is 218851111. The reversal of 218851082 is 280158812.

It is an unprimeable number.

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, 322928 + ... + 323604.

It is an arithmetic number, because the mean of its divisors is an integer number (11105640).

Almost surely, 2^218851082 is an apocalyptic number.

218851082 is a deficient number, since it is larger than the sum of its proper divisors (136529398).

218851082 is a wasteful number, since it uses less digits than its factorization.

218851082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 218851082 is about 14793.6162583731. The cubic root of 218851082 is about 602.6283601333.

The spelling of 218851082 in words is "two hundred eighteen million, eight hundred fifty-one thousand, eighty-two".