2265647783 has 16 divisors (see below), whose sum is σ = 2779191360. Its totient is φ = 1802704896.

The previous prime is 2265647759. The next prime is 2265647807. The reversal of 2265647783 is 3877465622.

It is an interprime number because it is at equal distance from previous prime (2265647759) and next prime (2265647807).

It is a cyclic number.

It is not a de Polignac number, because 2265647783 - 2¹⁰ = 2265646759 is a prime.

It is a super-2 number, since 2×2265647783² = 10266319753225630178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265647743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121718 + ... + 139091.

It is an arithmetic number, because the mean of its divisors is an integer number (173699460).

Almost surely, 2^2265647783 is an apocalyptic number.

2265647783 is a deficient number, since it is larger than the sum of its proper divisors (513543577).

2265647783 is a wasteful number, since it uses less digits than its factorization.

2265647783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260906.

The product of its digits is 3386880, while the sum is 50.

The square root of 2265647783 is about 47598.8212354046. The cubic root of 2265647783 is about 1313.4013705910.

The spelling of 2265647783 in words is "two billion, two hundred sixty-five million, six hundred forty-seven thousand, seven hundred eighty-three".