225044880 has 160 divisors (see below), whose sum is σ = 741381120. Its totient is φ = 56348160.

The previous prime is 225044879. The next prime is 225044909. The reversal of 225044880 is 88440522.

It is a happy number.

225044880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325335 + ... + 326025.

It is an arithmetic number, because the mean of its divisors is an integer number (4633632).

Almost surely, 2^225044880 is an apocalyptic number.

225044880 is a gapful number since it is divisible by the number (20) 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 225044880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370690560).

225044880 is an abundant number, since it is smaller than the sum of its proper divisors (516336240).

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

225044880 is a wasteful number, since it uses less digits than its factorization.

225044880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 225044880 is about 15001.4959254069. The cubic root of 225044880 is about 608.2606367541.

The spelling of 225044880 in words is "two hundred twenty-five million, forty-four thousand, eight hundred eighty".