225239507 has 8 divisors (see below), whose sum is σ = 230845440. Its totient is φ = 219702600.

The previous prime is 225239467. The next prime is 225239519. The reversal of 225239507 is 705932522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225239507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225239587) 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, 10619 + ... + 23732.

It is an arithmetic number, because the mean of its divisors is an integer number (28855680).

Almost surely, 2^225239507 is an apocalyptic number.

225239507 is a deficient number, since it is larger than the sum of its proper divisors (5605933).

225239507 is an equidigital number, since it uses as much as digits as its factorization.

225239507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34513.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 225239507 is about 15007.9814432188. The cubic root of 225239507 is about 608.4359348721.

The spelling of 225239507 in words is "two hundred twenty-five million, two hundred thirty-nine thousand, five hundred seven".