2265516888 has 64 divisors (see below), whose sum is σ = 5876064000. Its totient is φ = 727020672.

The previous prime is 2265516887. The next prime is 2265516941. The reversal of 2265516888 is 8886155622.

It is a self number, because there is not a number n which added to its sum of digits gives 2265516888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265516887) 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, 245331 + ... + 254397.

It is an arithmetic number, because the mean of its divisors is an integer number (91813500).

Almost surely, 2^2265516888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265516888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938032000).

2265516888 is an abundant number, since it is smaller than the sum of its proper divisors (3610547112).

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

2265516888 is a wasteful number, since it uses less digits than its factorization.

2265516888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464 (or 9460 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 2265516888 is about 47597.4462340155. The cubic root of 2265516888 is about 1313.3760767236.

The spelling of 2265516888 in words is "two billion, two hundred sixty-five million, five hundred sixteen thousand, eight hundred eighty-eight".