2219808964 has 24 divisors (see below), whose sum is σ = 3963738240. Its totient is φ = 1087373664.

The previous prime is 2219808953. The next prime is 2219808977. The reversal of 2219808964 is 4698089122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145147 + ... + 159709.

It is an arithmetic number, because the mean of its divisors is an integer number (165155760).

Almost surely, 2^2219808964 is an apocalyptic number.

It is an amenable number.

2219808964 is a deficient number, since it is larger than the sum of its proper divisors (1743929276).

2219808964 is a wasteful number, since it uses less digits than its factorization.

2219808964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339 (or 15337 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 2219808964 is about 47114.8486572970. The cubic root of 2219808964 is about 1304.4833299642.

The spelling of 2219808964 in words is "two billion, two hundred nineteen million, eight hundred eight thousand, nine hundred sixty-four".