225531416 has 24 divisors (see below), whose sum is σ = 464811060. Its totient is φ = 102513840.

The previous prime is 225531403. The next prime is 225531433. The reversal of 225531416 is 614135522.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 115526 + ... + 117461.

Almost surely, 2^225531416 is an apocalyptic number.

It is an amenable number.

225531416 is an abundant number, since it is smaller than the sum of its proper divisors (239279644).

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

225531416 is a wasteful number, since it uses less digits than its factorization.

225531416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233015 (or 233000 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 225531416 is about 15017.7034196311. The cubic root of 225531416 is about 608.6986644684.

Adding to 225531416 its reverse (614135522), we get a palindrome (839666938).

The spelling of 225531416 in words is "two hundred twenty-five million, five hundred thirty-one thousand, four hundred sixteen".