225532340 has 24 divisors (see below), whose sum is σ = 516674592. Its totient is φ = 82011680.

The previous prime is 225532339. The next prime is 225532343. The reversal of 225532340 is 43235522.

225532340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225532343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512354 + ... + 512793.

It is an arithmetic number, because the mean of its divisors is an integer number (21528108).

Almost surely, 2^225532340 is an apocalyptic number.

225532340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225532340 is an abundant number, since it is smaller than the sum of its proper divisors (291142252).

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

225532340 is a wasteful number, since it uses less digits than its factorization.

225532340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025167 (or 1025165 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225532340 is about 15017.7341832914. The cubic root of 225532340 is about 608.6994957447.

Adding to 225532340 its reverse (43235522), we get a palindrome (268767862).

The spelling of 225532340 in words is "two hundred twenty-five million, five hundred thirty-two thousand, three hundred forty".