2216322770688 has 864 divisors, whose sum is σ = 7440549177600. Its totient is φ = 646537199616.

The previous prime is 2216322770687. The next prime is 2216322770699. The reversal of 2216322770688 is 8860772236122.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216322770687) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5289552943 + ... + 5289553361.

Almost surely, 2^{2216322770688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216322770688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3720274588800).

2216322770688 is an abundant number, since it is smaller than the sum of its proper divisors (5224226406912).

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

2216322770688 is a wasteful number, since it uses less digits than its factorization.

2216322770688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 2216322770688 in words is "two trillion, two hundred sixteen billion, three hundred twenty-two million, seven hundred seventy thousand, six hundred eighty-eight".