225606505 has 8 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 180336816.

The previous prime is 225606481. The next prime is 225606527. The reversal of 225606505 is 505606522.

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 225606505 - 2²⁵ = 192052073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11625 + ... + 24214.

It is an arithmetic number, because the mean of its divisors is an integer number (33868800).

Almost surely, 2^225606505 is an apocalyptic number.

It is an amenable number.

225606505 is a deficient number, since it is larger than the sum of its proper divisors (45343895).

225606505 is a wasteful number, since it uses less digits than its factorization.

225606505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37103.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 225606505 is about 15020.2032276531. The cubic root of 225606505 is about 608.7662108635.

The spelling of 225606505 in words is "two hundred twenty-five million, six hundred six thousand, five hundred five".