225341405 has 8 divisors (see below), whose sum is σ = 271783512. Its totient is φ = 179357248.

The previous prime is 225341401. The next prime is 225341447. The reversal of 225341405 is 504143522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159617956 + 65723449 = 12634^2 + 8107^2 .

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 225341405 - 2² = 225341401 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 (225341401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113402 + ... + 115371.

It is an arithmetic number, because the mean of its divisors is an integer number (33972939).

Almost surely, 2^225341405 is an apocalyptic number.

It is an amenable number.

225341405 is a deficient number, since it is larger than the sum of its proper divisors (46442107).

225341405 is a wasteful number, since it uses less digits than its factorization.

225341405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228975.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225341405 is about 15011.3758529990. The cubic root of 225341405 is about 608.5276728606.

Adding to 225341405 its reverse (504143522), we get a palindrome (729484927).

The spelling of 225341405 in words is "two hundred twenty-five million, three hundred forty-one thousand, four hundred five".