2242897865 has 12 divisors (see below), whose sum is σ = 2914441164. Its totient is φ = 1656293184.

The previous prime is 2242897849. The next prime is 2242897871. The reversal of 2242897865 is 5687982422.

It can be written as a sum of positive squares in 6 ways, for example, as 16096144 + 2226801721 = 4012^2 + 47189^2 .

It is not a de Polignac number, because 2242897865 - 2⁴ = 2242897849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326314 + ... + 1328003.

It is an arithmetic number, because the mean of its divisors is an integer number (242870097).

Almost surely, 2^2242897865 is an apocalyptic number.

It is an amenable number.

2242897865 is a deficient number, since it is larger than the sum of its proper divisors (671543299).

2242897865 is a wasteful number, since it uses less digits than its factorization.

2242897865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654348 (or 2654335 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 2242897865 is about 47359.2426565290. The cubic root of 2242897865 is about 1308.9905135893.

The spelling of 2242897865 in words is "two billion, two hundred forty-two million, eight hundred ninety-seven thousand, eight hundred sixty-five".