2265818268 has 48 divisors (see below), whose sum is σ = 6061556480. Its totient is φ = 645300864.

The previous prime is 2265818209. The next prime is 2265818281. The reversal of 2265818268 is 8628185622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16798 + ... + 69381.

Almost surely, 2^2265818268 is an apocalyptic number.

2265818268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2265818268 is an abundant number, since it is smaller than the sum of its proper divisors (3795738212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265818268 is a wasteful number, since it uses less digits than its factorization.

2265818268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86506 (or 86504 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 2265818268 is about 47600.6120548885. The cubic root of 2265818268 is about 1313.4343132837.

The spelling of 2265818268 in words is "two billion, two hundred sixty-five million, eight hundred eighteen thousand, two hundred sixty-eight".