2219722345 has 32 divisors (see below), whose sum is σ = 2778209280. Its totient is φ = 1701396480.

The previous prime is 2219722339. The next prime is 2219722441. The reversal of 2219722345 is 5432279122.

It is not a de Polignac number, because 2219722345 - 2¹¹ = 2219720297 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2886121 + ... + 2886889.

It is an arithmetic number, because the mean of its divisors is an integer number (86819040).

Almost surely, 2^2219722345 is an apocalyptic number.

It is an amenable number.

2219722345 is a deficient number, since it is larger than the sum of its proper divisors (558486935).

2219722345 is a wasteful number, since it uses less digits than its factorization.

2219722345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its digits is 60480, while the sum is 37.

The square root of 2219722345 is about 47113.9294158320. The cubic root of 2219722345 is about 1304.4663623613.

The spelling of 2219722345 in words is "two billion, two hundred nineteen million, seven hundred twenty-two thousand, three hundred forty-five".