225252305 has 16 divisors (see below), whose sum is σ = 274579200. Its totient is φ = 177365760.

The previous prime is 225252283. The next prime is 225252311. The reversal of 225252305 is 503252522.

It is a happy number.

It is not a de Polignac number, because 225252305 - 2⁶ = 225252241 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, 164825 + ... + 166185.

It is an arithmetic number, because the mean of its divisors is an integer number (17161200).

Almost surely, 2^225252305 is an apocalyptic number.

It is an amenable number.

225252305 is a deficient number, since it is larger than the sum of its proper divisors (49326895).

225252305 is a wasteful number, since it uses less digits than its factorization.

225252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 225252305 is about 15008.4078102909. The cubic root of 225252305 is about 608.4474583325.

The spelling of 225252305 in words is "two hundred twenty-five million, two hundred fifty-two thousand, three hundred five".