225451185 has 8 divisors (see below), whose sum is σ = 360721920. Its totient is φ = 120240624.

The previous prime is 225451153. The next prime is 225451201. The reversal of 225451185 is 581154522.

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

It is not a de Polignac number, because 225451185 - 2⁵ = 225451153 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515025 + ... + 7515054.

It is an arithmetic number, because the mean of its divisors is an integer number (45090240).

Almost surely, 2^225451185 is an apocalyptic number.

It is an amenable number.

225451185 is a deficient number, since it is larger than the sum of its proper divisors (135270735).

225451185 is a wasteful number, since it uses less digits than its factorization.

225451185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030087.

The product of its digits is 16000, while the sum is 33.

The square root of 225451185 is about 15015.0319679979. The cubic root of 225451185 is about 608.6264760114.

The spelling of 225451185 in words is "two hundred twenty-five million, four hundred fifty-one thousand, one hundred eighty-five".