2265545568 has 192 divisors, whose sum is σ = 7078579200. Its totient is φ = 625397760.

The previous prime is 2265545567. The next prime is 2265545593. The reversal of 2265545568 is 8655455622.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265545567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083468 + ... + 1085556.

It is an arithmetic number, because the mean of its divisors is an integer number (36867600).

Almost surely, 2^2265545568 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 2265545568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3539289600).

2265545568 is an abundant number, since it is smaller than the sum of its proper divisors (4813033632).

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

2265545568 is a wasteful number, since it uses less digits than its factorization.

2265545568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2197 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The square root of 2265545568 is about 47597.7475097299. The cubic root of 2265545568 is about 1313.3816188683.

The spelling of 2265545568 in words is "two billion, two hundred sixty-five million, five hundred forty-five thousand, five hundred sixty-eight".