2250366665 has 8 divisors (see below), whose sum is σ = 2715360648. Its totient is φ = 1790346240.

The previous prime is 2250366659. The next prime is 2250366689. The reversal of 2250366665 is 5666630522.

It can be written as a sum of positive squares in 4 ways, for example, as 19882681 + 2230483984 = 4459^2 + 47228^2 .

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

It is not a de Polignac number, because 2250366665 - 2⁸ = 2250366409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242392 + ... + 1244201.

It is an arithmetic number, because the mean of its divisors is an integer number (339420081).

Almost surely, 2^2250366665 is an apocalyptic number.

It is an amenable number.

2250366665 is a deficient number, since it is larger than the sum of its proper divisors (464993983).

2250366665 is a wasteful number, since it uses less digits than its factorization.

2250366665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486779.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 2250366665 is about 47438.0297335376. The cubic root of 2250366665 is about 1310.4418735451.

The spelling of 2250366665 in words is "two billion, two hundred fifty million, three hundred sixty-six thousand, six hundred sixty-five".