2219895565 has 8 divisors (see below), whose sum is σ = 2665006848. Its totient is φ = 1775161680.

The previous prime is 2219895563. The next prime is 2219895569. The reversal of 2219895565 is 5655989122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2219895565 - 2¹ = 2219895563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219895563) by changing a digit.

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, 81241 + ... + 105070.

It is an arithmetic number, because the mean of its divisors is an integer number (333125856).

Almost surely, 2^2219895565 is an apocalyptic number.

It is an amenable number.

2219895565 is a deficient number, since it is larger than the sum of its proper divisors (445111283).

2219895565 is a wasteful number, since it uses less digits than its factorization.

2219895565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188699.

The product of its digits is 1944000, while the sum is 52.

The square root of 2219895565 is about 47115.7676898085. The cubic root of 2219895565 is about 1304.5002935999.

The spelling of 2219895565 in words is "two billion, two hundred nineteen million, eight hundred ninety-five thousand, five hundred sixty-five".