225325140 has 48 divisors (see below), whose sum is σ = 668025792. Its totient is φ = 56551936.

The previous prime is 225325063. The next prime is 225325141. The reversal of 225325140 is 41523522.

It is a self number, because there is not a number n which added to its sum of digits gives 225325140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225325141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109434 + ... + 111473.

It is an arithmetic number, because the mean of its divisors is an integer number (13917204).

Almost surely, 2^225325140 is an apocalyptic number.

225325140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225325140 is an abundant number, since it is smaller than the sum of its proper divisors (442700652).

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

225325140 is a wasteful number, since it uses less digits than its factorization.

225325140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220936 (or 220934 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225325140 is about 15010.8340874183. The cubic root of 225325140 is about 608.5130314609.

Adding to 225325140 its reverse (41523522), we get a palindrome (266848662).

It can be divided in two parts, 22532 and 5140, that added together give a palindrome (27672).

The spelling of 225325140 in words is "two hundred twenty-five million, three hundred twenty-five thousand, one hundred forty".