2219808965 has 16 divisors (see below), whose sum is σ = 2946865536. Its totient is φ = 1591665600.

The previous prime is 2219808953. The next prime is 2219808977. The reversal of 2219808965 is 5698089122.

It is an interprime number because it is at equal distance from previous prime (2219808953) and next prime (2219808977).

It is not a de Polignac number, because 2219808965 - 2⁸ = 2219808709 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 280322 + ... + 288131.

It is an arithmetic number, because the mean of its divisors is an integer number (184179096).

Almost surely, 2^2219808965 is an apocalyptic number.

It is an amenable number.

2219808965 is a deficient number, since it is larger than the sum of its proper divisors (727056571).

2219808965 is a wasteful number, since it uses less digits than its factorization.

2219808965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568540.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 2219808965 is about 47114.8486679094. The cubic root of 2219808965 is about 1304.4833301601.

The spelling of 2219808965 in words is "two billion, two hundred nineteen million, eight hundred eight thousand, nine hundred sixty-five".