2216544260 has 72 divisors (see below), whose sum is σ = 5395392576. Its totient is φ = 749295360.

The previous prime is 2216544229. The next prime is 2216544271. The reversal of 2216544260 is 624456122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744575 + ... + 747545.

It is an arithmetic number, because the mean of its divisors is an integer number (74936008).

Almost surely, 2^2216544260 is an apocalyptic number.

2216544260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216544260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697696288).

2216544260 is an abundant number, since it is smaller than the sum of its proper divisors (3178848316).

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

2216544260 is a wasteful number, since it uses less digits than its factorization.

2216544260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2216544260 is about 47080.1896767632. The cubic root of 2216544260 is about 1303.8435089219.

The spelling of 2216544260 in words is "two billion, two hundred sixteen million, five hundred forty-four thousand, two hundred sixty".