218945482 has 16 divisors (see below), whose sum is σ = 397414080. Its totient is φ = 88314048.

The previous prime is 218945479. The next prime is 218945483. The reversal of 218945482 is 284549812.

It is not an unprimeable number, because it can be changed into a prime (218945483) 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, 459732 + ... + 460207.

It is an arithmetic number, because the mean of its divisors is an integer number (24838380).

Almost surely, 2^218945482 is an apocalyptic number.

218945482 is a deficient number, since it is larger than the sum of its proper divisors (178468598).

218945482 is a wasteful number, since it uses less digits than its factorization.

218945482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919965.

The product of its digits is 184320, while the sum is 43.

The square root of 218945482 is about 14796.8064797780. The cubic root of 218945482 is about 602.7149942945.

The spelling of 218945482 in words is "two hundred eighteen million, nine hundred forty-five thousand, four hundred eighty-two".