2216508576 has 24 divisors (see below), whose sum is σ = 5818335264. Its totient is φ = 738836160.

The previous prime is 2216508559. The next prime is 2216508577. The reversal of 2216508576 is 6758056122.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2216508577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11544220 + ... + 11544411.

It is an arithmetic number, because the mean of its divisors is an integer number (242430636).

Almost surely, 2^2216508576 is an apocalyptic number.

It is an amenable number.

2216508576 is an abundant number, since it is smaller than the sum of its proper divisors (3601826688).

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

2216508576 is a wasteful number, since it uses less digits than its factorization.

2216508576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23088644 (or 23088636 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2216508576 is about 47079.8107048021. The cubic root of 2216508576 is about 1303.8365120542.

The spelling of 2216508576 in words is "two billion, two hundred sixteen million, five hundred eight thousand, five hundred seventy-six".