225425120 has 96 divisors (see below), whose sum is σ = 580154400. Its totient is φ = 82446336.

The previous prime is 225425119. The next prime is 225425129. The reversal of 225425120 is 21524522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225425129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86882 + ... + 89438.

It is an arithmetic number, because the mean of its divisors is an integer number (6043275).

Almost surely, 2^225425120 is an apocalyptic number.

225425120 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 225425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290077200).

225425120 is an abundant number, since it is smaller than the sum of its proper divisors (354729280).

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

225425120 is a wasteful number, since it uses less digits than its factorization.

225425120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 225425120 is about 15014.1639793896. The cubic root of 225425120 is about 608.6030201423.

Adding to 225425120 its reverse (21524522), we get a palindrome (246949642).

The spelling of 225425120 in words is "two hundred twenty-five million, four hundred twenty-five thousand, one hundred twenty".