225538885 has 32 divisors (see below), whose sum is σ = 320221440. Its totient is φ = 150336000.

The previous prime is 225538883. The next prime is 225538891. The reversal of 225538885 is 588835522.

It is not a de Polignac number, because 225538885 - 2¹ = 225538883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225538883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106921 + ... + 109009.

It is an arithmetic number, because the mean of its divisors is an integer number (10006920).

Almost surely, 2^225538885 is an apocalyptic number.

It is an amenable number.

225538885 is a deficient number, since it is larger than the sum of its proper divisors (94682555).

225538885 is a wasteful number, since it uses less digits than its factorization.

225538885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its digits is 768000, while the sum is 46.

The square root of 225538885 is about 15017.9520907479. The cubic root of 225538885 is about 608.7053838872.

The spelling of 225538885 in words is "two hundred twenty-five million, five hundred thirty-eight thousand, eight hundred eighty-five".