225405884 has 24 divisors (see below), whose sum is σ = 434764848. Its totient is φ = 101399040.

The previous prime is 225405883. The next prime is 225405899. The reversal of 225405884 is 488504522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225405883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22139 + ... + 30674.

It is an arithmetic number, because the mean of its divisors is an integer number (18115202).

Almost surely, 2^225405884 is an apocalyptic number.

It is an amenable number.

225405884 is a deficient number, since it is larger than the sum of its proper divisors (209358964).

225405884 is a wasteful number, since it uses less digits than its factorization.

225405884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52925 (or 52923 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 225405884 is about 15013.5233706149. The cubic root of 225405884 is about 608.5857085242.

The spelling of 225405884 in words is "two hundred twenty-five million, four hundred five thousand, eight hundred eighty-four".