2265117215 has 4 divisors (see below), whose sum is σ = 2718140664. Its totient is φ = 1812093768.

The previous prime is 2265117193. The next prime is 2265117251. The reversal of 2265117215 is 5127115622.

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

It is a cyclic number.

It is not a de Polignac number, because 2265117215 - 2³⁰ = 1191375391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226511717 + ... + 226511726.

It is an arithmetic number, because the mean of its divisors is an integer number (679535166).

Almost surely, 2^2265117215 is an apocalyptic number.

2265117215 is a deficient number, since it is larger than the sum of its proper divisors (453023449).

2265117215 is an equidigital number, since it uses as much as digits as its factorization.

2265117215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453023448.

The product of its digits is 8400, while the sum is 32.

The square root of 2265117215 is about 47593.2475777815. The cubic root of 2265117215 is about 1313.2988387460.

The spelling of 2265117215 in words is "two billion, two hundred sixty-five million, one hundred seventeen thousand, two hundred fifteen".