218218240022 has 4 divisors (see below), whose sum is σ = 327327360036. Its totient is φ = 109109120010.

The previous prime is 218218240001. The next prime is 218218240039. The reversal of 218218240022 is 220042812812.

218218240022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54554560004 + ... + 54554560007.

It is an arithmetic number, because the mean of its divisors is an integer number (81831840009).

Almost surely, 2^218218240022 is an apocalyptic number.

218218240022 is a deficient number, since it is larger than the sum of its proper divisors (109109120014).

218218240022 is a wasteful number, since it uses less digits than its factorization.

218218240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109109120013.

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 218218240022 in words is "two hundred eighteen billion, two hundred eighteen million, two hundred forty thousand, twenty-two".