225306201 has 4 divisors (see below), whose sum is σ = 300408272. Its totient is φ = 150204132.

The previous prime is 225306187. The next prime is 225306223. The reversal of 225306201 is 102603522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225306201 - 2¹⁰ = 225305177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225306241) 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 3 ways as a sum of consecutive naturals, for example, 37551031 + ... + 37551036.

It is an arithmetic number, because the mean of its divisors is an integer number (75102068).

Almost surely, 2^225306201 is an apocalyptic number.

It is an amenable number.

225306201 is a deficient number, since it is larger than the sum of its proper divisors (75102071).

225306201 is an equidigital number, since it uses as much as digits as its factorization.

225306201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75102070.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 225306201 is about 15010.2032298034. The cubic root of 225306201 is about 608.4959820965.

Adding to 225306201 its reverse (102603522), we get a palindrome (327909723).

The spelling of 225306201 in words is "two hundred twenty-five million, three hundred six thousand, two hundred one".