20184218222 has 16 divisors (see below), whose sum is σ = 34765510272. Its totient is φ = 8609380920.

The previous prime is 20184218221. The next prime is 20184218233. The reversal of 20184218222 is 22281248102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20184218221) 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, 3413468 + ... + 3419375.

It is an arithmetic number, because the mean of its divisors is an integer number (2172844392).

Almost surely, 2^20184218222 is an apocalyptic number.

20184218222 is a deficient number, since it is larger than the sum of its proper divisors (14581292050).

20184218222 is a wasteful number, since it uses less digits than its factorization.

20184218222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833063.

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

The spelling of 20184218222 in words is "twenty billion, one hundred eighty-four million, two hundred eighteen thousand, two hundred twenty-two".