225418459 has 8 divisors (see below), whose sum is σ = 259061760. Its totient is φ = 192135336.

The previous prime is 225418433. The next prime is 225418471. The reversal of 225418459 is 954814522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225418459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225418429) 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, 88699 + ... + 91204.

It is an arithmetic number, because the mean of its divisors is an integer number (32382720).

Almost surely, 2^225418459 is an apocalyptic number.

225418459 is a deficient number, since it is larger than the sum of its proper divisors (33643301).

225418459 is a wasteful number, since it uses less digits than its factorization.

225418459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180089.

The product of its digits is 115200, while the sum is 40.

The square root of 225418459 is about 15013.9421538782. The cubic root of 225418459 is about 608.5970256245.

The spelling of 225418459 in words is "two hundred twenty-five million, four hundred eighteen thousand, four hundred fifty-nine".