225225505 has 16 divisors (see below), whose sum is σ = 277401600. Its totient is φ = 175443840.

The previous prime is 225225491. The next prime is 225225521. The reversal of 225225505 is 505522522.

225225505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225225505 - 2¹³ = 225217313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175456 + ... + 176734.

It is an arithmetic number, because the mean of its divisors is an integer number (17337600).

Almost surely, 2^225225505 is an apocalyptic number.

It is an amenable number.

225225505 is a deficient number, since it is larger than the sum of its proper divisors (52176095).

225225505 is a wasteful number, since it uses less digits than its factorization.

225225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

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

The square root of 225225505 is about 15007.5149508505. The cubic root of 225225505 is about 608.4233268167.

The spelling of 225225505 in words is "two hundred twenty-five million, two hundred twenty-five thousand, five hundred five".