22218200205 has 32 divisors (see below), whose sum is σ = 35786016000. Its totient is φ = 11770839552.

The previous prime is 22218200177. The next prime is 22218200231. The reversal of 22218200205 is 50200281222.

It is not a de Polignac number, because 22218200205 - 2⁶ = 22218200141 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 7285521 + ... + 7288569.

It is an arithmetic number, because the mean of its divisors is an integer number (1118313000).

Almost surely, 2^22218200205 is an apocalyptic number.

It is an amenable number.

22218200205 is a deficient number, since it is larger than the sum of its proper divisors (13567815795).

22218200205 is a wasteful number, since it uses less digits than its factorization.

22218200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22218200205 its reverse (50200281222), we get a palindrome (72418481427).

The spelling of 22218200205 in words is "twenty-two billion, two hundred eighteen million, two hundred thousand, two hundred five".