2265298243 has 16 divisors (see below), whose sum is σ = 2462445216. Its totient is φ = 2071480320.

The previous prime is 2265298223. The next prime is 2265298271. The reversal of 2265298243 is 3428925622.

It is a de Polignac number, because none of the positive numbers 2^k-2265298243 is a prime.

It is a super-2 number, since 2×2265298243² = 10263152259477774098, which contains 22 as substring.

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 2265298243.

It is not an unprimeable number, because it can be changed into a prime (2265298223) 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, 1860771 + ... + 1861987.

It is an arithmetic number, because the mean of its divisors is an integer number (153902826).

Almost surely, 2^2265298243 is an apocalyptic number.

2265298243 is a deficient number, since it is larger than the sum of its proper divisors (197146973).

2265298243 is a wasteful number, since it uses less digits than its factorization.

2265298243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454.

The product of its digits is 414720, while the sum is 43.

The square root of 2265298243 is about 47595.1493641947. The cubic root of 2265298243 is about 1313.3338240627. Note that the first 3 decimals are identical.

The spelling of 2265298243 in words is "two billion, two hundred sixty-five million, two hundred ninety-eight thousand, two hundred forty-three".