225044568 has 80 divisors (see below), whose sum is σ = 720395280. Its totient is φ = 64297152.

The previous prime is 225044563. The next prime is 225044579. The reversal of 225044568 is 865440522.

It is a happy number.

225044568 is a `hidden beast` number, since 2 + 2 + 50 + 44 + 568 = 666.

225044568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225044563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20271 + ... + 29342.

It is an arithmetic number, because the mean of its divisors is an integer number (9004941).

Almost surely, 2^225044568 is an apocalyptic number.

225044568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225044568 is an abundant number, since it is smaller than the sum of its proper divisors (495350712).

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

225044568 is a wasteful number, since it uses less digits than its factorization.

225044568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49638 (or 49625 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 225044568 is about 15001.4855264404. The cubic root of 225044568 is about 608.2603556585.

It can be divided in two parts, 22504 and 4568, that added together give a palindrome (27072).

The spelling of 225044568 in words is "two hundred twenty-five million, forty-four thousand, five hundred sixty-eight".