2265310217 has 4 divisors (see below), whose sum is σ = 2266709316. Its totient is φ = 2263911120.

The previous prime is 2265310211. The next prime is 2265310247. The reversal of 2265310217 is 7120135622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1329623296 + 935686921 = 36464^2 + 30589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265310217 - 2²⁰ = 2264261641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2265310217.

It is not an unprimeable number, because it can be changed into a prime (2265310211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697118 + ... + 700359.

It is an arithmetic number, because the mean of its divisors is an integer number (566677329).

Almost surely, 2^2265310217 is an apocalyptic number.

It is an amenable number.

2265310217 is a deficient number, since it is larger than the sum of its proper divisors (1399099).

2265310217 is a wasteful number, since it uses less digits than its factorization.

2265310217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399098.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2265310217 is about 47595.2751541579. The cubic root of 2265310217 is about 1313.3361380820.

Adding to 2265310217 its reverse (7120135622), we get a palindrome (9385445839).

The spelling of 2265310217 in words is "two billion, two hundred sixty-five million, three hundred ten thousand, two hundred seventeen".