2216928896 has 128 divisors (see below), whose sum is σ = 5624035200. Its totient is φ = 846655488.

The previous prime is 2216928887. The next prime is 2216928913. The reversal of 2216928896 is 6988296122.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334511 + ... + 341073.

It is an arithmetic number, because the mean of its divisors is an integer number (43937775).

Almost surely, 2^2216928896 is an apocalyptic number.

2216928896 is a gapful number since it is divisible by the number (26) 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 2216928896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812017600).

2216928896 is an abundant number, since it is smaller than the sum of its proper divisors (3407106304).

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

2216928896 is a wasteful number, since it uses less digits than its factorization.

2216928896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626 (or 6614 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 2216928896 is about 47084.2744023947. The cubic root of 2216928896 is about 1303.9189230332.

The spelling of 2216928896 in words is "two billion, two hundred sixteen million, nine hundred twenty-eight thousand, eight hundred ninety-six".