218040002022 has 8 divisors (see below), whose sum is σ = 436080004056. Its totient is φ = 72680000672.

The previous prime is 218040002009. The next prime is 218040002051. The reversal of 218040002022 is 220200040812.

It is a happy number.

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

218040002022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 218040002022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18170000163 + ... + 18170000174.

It is an arithmetic number, because the mean of its divisors is an integer number (54510000507).

Almost surely, 2^218040002022 is an apocalyptic number.

218040002022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218040002022 is a wasteful number, since it uses less digits than its factorization.

218040002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36340000342.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 218040002022 its reverse (220200040812), we get a palindrome (438240042834).

The spelling of 218040002022 in words is "two hundred eighteen billion, forty million, two thousand, twenty-two".