2216893617 has 48 divisors (see below), whose sum is σ = 3499711488. Its totient is φ = 1399582800.

The previous prime is 2216893597. The next prime is 2216893639. The reversal of 2216893617 is 7163986122.

2216893617 is a `hidden beast` number, since 2 + 21 + 6 + 8 + 9 + 3 + 617 = 666.

It is not a de Polignac number, because 2216893617 - 2⁷ = 2216893489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216893717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 573742 + ... + 577592.

It is an arithmetic number, because the mean of its divisors is an integer number (72910656).

Almost surely, 2^2216893617 is an apocalyptic number.

2216893617 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2216893617 is a deficient number, since it is larger than the sum of its proper divisors (1282817871).

2216893617 is a wasteful number, since it uses less digits than its factorization.

2216893617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3980 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2216893617 is about 47083.8997641444. The cubic root of 2216893617 is about 1303.9120063778.

The spelling of 2216893617 in words is "two billion, two hundred sixteen million, eight hundred ninety-three thousand, six hundred seventeen".