225523289 has 8 divisors (see below), whose sum is σ = 228486720. Its totient is φ = 222576336.

The previous prime is 225523279. The next prime is 225523297. The reversal of 225523289 is 982325522.

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 225523289 - 2⁸ = 225523033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225523229) 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, 24734 + ... + 32600.

It is an arithmetic number, because the mean of its divisors is an integer number (28560840).

Almost surely, 2^225523289 is an apocalyptic number.

It is an amenable number.

225523289 is a deficient number, since it is larger than the sum of its proper divisors (2963431).

225523289 is a wasteful number, since it uses less digits than its factorization.

225523289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239.

The product of its digits is 86400, while the sum is 38.

The square root of 225523289 is about 15017.4328365403. The cubic root of 225523289 is about 608.6913529172.

The spelling of 225523289 in words is "two hundred twenty-five million, five hundred twenty-three thousand, two hundred eighty-nine".