2216488320 has 512 divisors, whose sum is σ = 8509248000. Its totient is φ = 543449088.

The previous prime is 2216488319. The next prime is 2216488343. The reversal of 2216488320 is 238846122.

2216488320 is a `hidden beast` number, since 2 + 2 + 1 + 648 + 8 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14117682 + ... + 14117838.

It is an arithmetic number, because the mean of its divisors is an integer number (16619625).

Almost surely, 2^2216488320 is an apocalyptic number.

2216488320 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 2216488320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4254624000).

2216488320 is an abundant number, since it is smaller than the sum of its proper divisors (6292759680).

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

2216488320 is a wasteful number, since it uses less digits than its factorization.

2216488320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2216488320 is about 47079.5955802511. The cubic root of 2216488320 is about 1303.8325402532.

The spelling of 2216488320 in words is "two billion, two hundred sixteen million, four hundred eighty-eight thousand, three hundred twenty".