225568947 has 8 divisors (see below), whose sum is σ = 303569856. Its totient is φ = 148973672.

The previous prime is 225568919. The next prime is 225568951. The reversal of 225568947 is 749865522.

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 225568947 - 2¹¹ = 225566899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225568896 and 225568905.

It is not an unprimeable number, because it can be changed into a prime (225568957) 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, 351033 + ... + 351674.

It is an arithmetic number, because the mean of its divisors is an integer number (37946232).

Almost surely, 2^225568947 is an apocalyptic number.

225568947 is a deficient number, since it is larger than the sum of its proper divisors (78000909).

225568947 is a wasteful number, since it uses less digits than its factorization.

225568947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702817.

The product of its digits is 1209600, while the sum is 48.

The square root of 225568947 is about 15018.9529262196. The cubic root of 225568947 is about 608.7324273958.

The spelling of 225568947 in words is "two hundred twenty-five million, five hundred sixty-eight thousand, nine hundred forty-seven".