2216687218352 has 40 divisors (see below), whose sum is σ = 4509241561200. Its totient is φ = 1054152836352.

The previous prime is 2216687218303. The next prime is 2216687218363. The reversal of 2216687218352 is 2538127866122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2216687218294 and 2216687218303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35620727 + ... + 35682902.

It is an arithmetic number, because the mean of its divisors is an integer number (112731039030).

Almost surely, 2^{2216687218352} is an apocalyptic number.

It is an amenable number.

2216687218352 is an abundant number, since it is smaller than the sum of its proper divisors (2292554342848).

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

2216687218352 is a wasteful number, since it uses less digits than its factorization.

2216687218352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71303733 (or 71303727 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 2216687218352 in words is "two trillion, two hundred sixteen billion, six hundred eighty-seven million, two hundred eighteen thousand, three hundred fifty-two".