218227106 has 8 divisors (see below), whose sum is σ = 327738960. Its totient is φ = 108980788.

The previous prime is 218227049. The next prime is 218227109. The reversal of 218227106 is 601722812.

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

It is not an unprimeable number, because it can be changed into a prime (218227109) 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, 64316 + ... + 67623.

It is an arithmetic number, because the mean of its divisors is an integer number (40967370).

Almost surely, 2^218227106 is an apocalyptic number.

218227106 is a deficient number, since it is larger than the sum of its proper divisors (109511854).

218227106 is a wasteful number, since it uses less digits than its factorization.

218227106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132768.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 218227106 is about 14772.5118378697. The cubic root of 218227106 is about 602.0550881697.

Adding to 218227106 its reverse (601722812), we get a palindrome (819949918).

The spelling of 218227106 in words is "two hundred eighteen million, two hundred twenty-seven thousand, one hundred six".