225101305 has 16 divisors (see below), whose sum is σ = 317346624. Its totient is φ = 151116480.

The previous prime is 225101297. The next prime is 225101339. The reversal of 225101305 is 503101522.

It is not a de Polignac number, because 225101305 - 2³ = 225101297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 156699 + ... + 158128.

It is an arithmetic number, because the mean of its divisors is an integer number (19834164).

Almost surely, 2^225101305 is an apocalyptic number.

It is an amenable number.

225101305 is a deficient number, since it is larger than the sum of its proper divisors (92245319).

225101305 is a wasteful number, since it uses less digits than its factorization.

225101305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314856.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 225101305 is about 15003.3764533188. The cubic root of 225101305 is about 608.3114684496.

Adding to 225101305 its reverse (503101522), we get a palindrome (728202827).

The spelling of 225101305 in words is "two hundred twenty-five million, one hundred one thousand, three hundred five".