225712547 has 8 divisors (see below), whose sum is σ = 241004544. Its totient is φ = 210877128.

The previous prime is 225712537. The next prime is 225712561. The reversal of 225712547 is 745217522.

225712547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225712547 - 2⁶ = 225712483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225712507) 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, 113123 + ... + 115100.

It is an arithmetic number, because the mean of its divisors is an integer number (30125568).

Almost surely, 2^225712547 is an apocalyptic number.

225712547 is a deficient number, since it is larger than the sum of its proper divisors (15291997).

225712547 is a wasteful number, since it uses less digits than its factorization.

225712547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228289.

The product of its digits is 39200, while the sum is 35.

The square root of 225712547 is about 15023.7327918197. The cubic root of 225712547 is about 608.8615755412.

The spelling of 225712547 in words is "two hundred twenty-five million, seven hundred twelve thousand, five hundred forty-seven".