225502255 has 24 divisors (see below), whose sum is σ = 304727472. Its totient is φ = 159984000.

The previous prime is 225502253. The next prime is 225502259. The reversal of 225502255 is 552205522.

It is not a de Polignac number, because 225502255 - 2¹ = 225502253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225502253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20260 + ... + 29350.

It is an arithmetic number, because the mean of its divisors is an integer number (12696978).

Almost surely, 2^225502255 is an apocalyptic number.

225502255 is a deficient number, since it is larger than the sum of its proper divisors (79225217).

225502255 is a wasteful number, since it uses less digits than its factorization.

225502255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9159 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 225502255 is about 15016.7325007806. The cubic root of 225502255 is about 608.6724286160.

Adding to 225502255 its reverse (552205522), we get a palindrome (777707777).

The spelling of 225502255 in words is "two hundred twenty-five million, five hundred two thousand, two hundred fifty-five".