225544060 has 72 divisors (see below), whose sum is σ = 580018320. Its totient is φ = 73253376.

The previous prime is 225544051. The next prime is 225544063. The reversal of 225544060 is 60445522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225544063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12564 + ... + 24676.

It is an arithmetic number, because the mean of its divisors is an integer number (8055810).

Almost surely, 2^225544060 is an apocalyptic number.

225544060 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 225544060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290009160).

225544060 is an abundant number, since it is smaller than the sum of its proper divisors (354474260).

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

225544060 is a wasteful number, since it uses less digits than its factorization.

225544060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155 (or 12146 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 225544060 is about 15018.1243835574. The cubic root of 225544060 is about 608.7100394425.

Adding to 225544060 its reverse (60445522), we get a palindrome (285989582).

The spelling of 225544060 in words is "two hundred twenty-five million, five hundred forty-four thousand, sixty".