225550255 has 32 divisors (see below), whose sum is σ = 321459840. Its totient is φ = 148646400.

The previous prime is 225550229. The next prime is 225550267. The reversal of 225550255 is 552055522.

It is not a de Polignac number, because 225550255 - 2¹¹ = 225548207 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 321405 + ... + 322105.

It is an arithmetic number, because the mean of its divisors is an integer number (10045620).

Almost surely, 2^225550255 is an apocalyptic number.

225550255 is a deficient number, since it is larger than the sum of its proper divisors (95909585).

225550255 is a wasteful number, since it uses less digits than its factorization.

225550255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 225550255 is about 15018.3306329299. The cubic root of 225550255 is about 608.7156125209.

The spelling of 225550255 in words is "two hundred twenty-five million, five hundred fifty thousand, two hundred fifty-five".