225250555 has 16 divisors (see below), whose sum is σ = 282484224. Its totient is φ = 172257120.

The previous prime is 225250549. The next prime is 225250559. The reversal of 225250555 is 555052522.

It is not a de Polignac number, because 225250555 - 2⁷ = 225250427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225250559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 21250.

It is an arithmetic number, because the mean of its divisors is an integer number (17655264).

Almost surely, 2^225250555 is an apocalyptic number.

225250555 is a deficient number, since it is larger than the sum of its proper divisors (57233669).

225250555 is a wasteful number, since it uses less digits than its factorization.

225250555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386.

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

The square root of 225250555 is about 15008.3495095230. The cubic root of 225250555 is about 608.4458826389.

The spelling of 225250555 in words is "two hundred twenty-five million, two hundred fifty thousand, five hundred fifty-five".