225545047 has 8 divisors (see below), whose sum is σ = 277594016. Its totient is φ = 178453152.

The previous prime is 225545009. The next prime is 225545063. The reversal of 225545047 is 740545522.

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-225545047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225545347) 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, 1239168 + ... + 1239349.

It is an arithmetic number, because the mean of its divisors is an integer number (34699252).

Almost surely, 2^225545047 is an apocalyptic number.

225545047 is a deficient number, since it is larger than the sum of its proper divisors (52048969).

225545047 is a wasteful number, since it uses less digits than its factorization.

225545047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478537.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 225545047 is about 15018.1572438166. The cubic root of 225545047 is about 608.7109273636.

The spelling of 225545047 in words is "two hundred twenty-five million, five hundred forty-five thousand, forty-seven".