218227214 has 8 divisors (see below), whose sum is σ = 327468960. Its totient is φ = 109070896.

The previous prime is 218227211. The next prime is 218227301. The reversal of 218227214 is 412722812.

218227214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218227211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534 + ... + 25449.

It is an arithmetic number, because the mean of its divisors is an integer number (40933620).

Almost surely, 2^218227214 is an apocalyptic number.

218227214 is a deficient number, since it is larger than the sum of its proper divisors (109241746).

218227214 is a wasteful number, since it uses less digits than its factorization.

218227214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42714.

The product of its digits is 3584, while the sum is 29.

The square root of 218227214 is about 14772.5154933072. The cubic root of 218227214 is about 602.0551874882.

The spelling of 218227214 in words is "two hundred eighteen million, two hundred twenty-seven thousand, two hundred fourteen".