225905568 has 96 divisors (see below), whose sum is σ = 683311104. Its totient is φ = 64012032.

The previous prime is 225905551. The next prime is 225905593. The reversal of 225905568 is 865509522.

225905568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 84021 + ... + 86667.

It is an arithmetic number, because the mean of its divisors is an integer number (7117824).

Almost surely, 2^225905568 is an apocalyptic number.

225905568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225905568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341655552).

225905568 is an abundant number, since it is smaller than the sum of its proper divisors (457405536).

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

225905568 is a wasteful number, since it uses less digits than its factorization.

225905568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2786 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 225905568 is about 15030.1552886189. The cubic root of 225905568 is about 609.0350847046.

The spelling of 225905568 in words is "two hundred twenty-five million, nine hundred five thousand, five hundred sixty-eight".