225425005 has 8 divisors (see below), whose sum is σ = 291318552. Its totient is φ = 166467648.

The previous prime is 225425003. The next prime is 225425021. The reversal of 225425005 is 500524522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17690436 + 207734569 = 4206^2 + 14413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225425005 - 2¹ = 225425003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225425003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733974 + ... + 1734103.

It is an arithmetic number, because the mean of its divisors is an integer number (36414819).

Almost surely, 2^225425005 is an apocalyptic number.

It is an amenable number.

225425005 is a deficient number, since it is larger than the sum of its proper divisors (65893547).

225425005 is a wasteful number, since it uses less digits than its factorization.

225425005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468095.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 225425005 is about 15014.1601496720. The cubic root of 225425005 is about 608.6029166499.

Adding to 225425005 its reverse (500524522), we get a palindrome (725949527).

The spelling of 225425005 in words is "two hundred twenty-five million, four hundred twenty-five thousand, five".