2216052904 has 16 divisors (see below), whose sum is σ = 4474722420. Its totient is φ = 1022793600.

The previous prime is 2216052899. The next prime is 2216052913. The reversal of 2216052904 is 4092506122.

It can be written as a sum of positive squares in 2 ways, for example, as 2015830404 + 200222500 = 44898^2 + 14150^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10653997 + ... + 10654204.

Almost surely, 2^2216052904 is an apocalyptic number.

It is an amenable number.

2216052904 is an abundant number, since it is smaller than the sum of its proper divisors (2258669516).

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

2216052904 is a wasteful number, since it uses less digits than its factorization.

2216052904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21308220 (or 21308216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2216052904 is about 47074.9710993007. The cubic root of 2216052904 is about 1303.7471579358.

The spelling of 2216052904 in words is "two billion, two hundred sixteen million, fifty-two thousand, nine hundred four".