225347663 has 4 divisors (see below), whose sum is σ = 226730328. Its totient is φ = 223965000.

The previous prime is 225347653. The next prime is 225347677. The reversal of 225347663 is 366743522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225347663 - 2¹² = 225343567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225347653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691088 + ... + 691413.

It is an arithmetic number, because the mean of its divisors is an integer number (56682582).

Almost surely, 2^225347663 is an apocalyptic number.

225347663 is a deficient number, since it is larger than the sum of its proper divisors (1382665).

225347663 is a wasteful number, since it uses less digits than its factorization.

225347663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382664.

The product of its digits is 181440, while the sum is 38.

The square root of 225347663 is about 15011.5842934715. The cubic root of 225347663 is about 608.5333059885.

The spelling of 225347663 in words is "two hundred twenty-five million, three hundred forty-seven thousand, six hundred sixty-three".