2265220868 has 12 divisors (see below), whose sum is σ = 3964655772. Its totient is φ = 1132462080.

The previous prime is 2265220861. The next prime is 2265220877. The reversal of 2265220868 is 8680225622.

It can be written as a sum of positive squares in 2 ways, for example, as 1312757824 + 952463044 = 36232^2 + 30862^2 .

It is not an unprimeable number, because it can be changed into a prime (2265220861) 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, 1796 + ... + 67332.

It is an arithmetic number, because the mean of its divisors is an integer number (330387981).

Almost surely, 2^2265220868 is an apocalyptic number.

It is an amenable number.

2265220868 is a deficient number, since it is larger than the sum of its proper divisors (1699434904).

2265220868 is a wasteful number, since it uses less digits than its factorization.

2265220868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74182 (or 74180 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 2265220868 is about 47594.3365118162. The cubic root of 2265220868 is about 1313.3188708644.

The spelling of 2265220868 in words is "two billion, two hundred sixty-five million, two hundred twenty thousand, eight hundred sixty-eight".