2216560919 has 4 divisors (see below), whose sum is σ = 2333222040. Its totient is φ = 2099899800.

The previous prime is 2216560909. The next prime is 2216560967. The reversal of 2216560919 is 9190656122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9190656122 = 2 ⋅4595328061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216560919 is a prime.

It is a super-2 number, since 2×2216560919² = 9826284615276249122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216560909) 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, 58330532 + ... + 58330569.

It is an arithmetic number, because the mean of its divisors is an integer number (583305510).

Almost surely, 2^2216560919 is an apocalyptic number.

2216560919 is a deficient number, since it is larger than the sum of its proper divisors (116661121).

2216560919 is a wasteful number, since it uses less digits than its factorization.

2216560919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116661120.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2216560919 is about 47080.3665979780. The cubic root of 2216560919 is about 1303.8467753692.

The spelling of 2216560919 in words is "two billion, two hundred sixteen million, five hundred sixty thousand, nine hundred nineteen".