2240570665 has 16 divisors (see below), whose sum is σ = 2756572560. Its totient is φ = 1747271680.

The previous prime is 2240570627. The next prime is 2240570701. The reversal of 2240570665 is 5660750422.

It can be written as a sum of positive squares in 8 ways, for example, as 541399824 + 1699170841 = 23268^2 + 41221^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2240570665 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 15 ways as a sum of consecutive naturals, for example, 284967 + ... + 292723.

It is an arithmetic number, because the mean of its divisors is an integer number (172285785).

Almost surely, 2^2240570665 is an apocalyptic number.

It is an amenable number.

2240570665 is a deficient number, since it is larger than the sum of its proper divisors (516001895).

2240570665 is a wasteful number, since it uses less digits than its factorization.

2240570665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2240570665 is about 47334.6666302827. Note that the first 4 decimals coincide. The cubic root of 2240570665 is about 1308.5376267278.

The spelling of 2240570665 in words is "two billion, two hundred forty million, five hundred seventy thousand, six hundred sixty-five".