225605255 has 8 divisors (see below), whose sum is σ = 270810000. Its totient is φ = 180428416.

The previous prime is 225605251. The next prime is 225605273. The reversal of 225605255 is 552506522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225605255 - 2² = 225605251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225605251) 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, 21071 + ... + 29919.

It is an arithmetic number, because the mean of its divisors is an integer number (33851250).

Almost surely, 2^225605255 is an apocalyptic number.

225605255 is a deficient number, since it is larger than the sum of its proper divisors (45204745).

225605255 is an equidigital number, since it uses as much as digits as its factorization.

225605255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 225605255 is about 15020.1616169734. The cubic root of 225605255 is about 608.7650865473.

The spelling of 225605255 in words is "two hundred twenty-five million, six hundred five thousand, two hundred fifty-five".