225002305 has 16 divisors (see below), whose sum is σ = 294840000. Its totient is φ = 163476160.

The previous prime is 225002287. The next prime is 225002311. The reversal of 225002305 is 503200522.

It is not a de Polignac number, because 225002305 - 2¹¹ = 225000257 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, 106146 + ... + 108244.

It is an arithmetic number, because the mean of its divisors is an integer number (18427500).

Almost surely, 2^225002305 is an apocalyptic number.

It is an amenable number.

225002305 is a deficient number, since it is larger than the sum of its proper divisors (69837695).

225002305 is a wasteful number, since it uses less digits than its factorization.

225002305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 225002305 is about 15000.0768331366. The cubic root of 225002305 is about 608.2222765096. Note that the first 4 decimals are identical.

Adding to 225002305 its reverse (503200522), we get a palindrome (728202827).

The spelling of 225002305 in words is "two hundred twenty-five million, two thousand, three hundred five".