225607507 has 4 divisors (see below), whose sum is σ = 225657880. Its totient is φ = 225557136.

The previous prime is 225607477. The next prime is 225607511. The reversal of 225607507 is 705706522.

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 225607507 - 2²³ = 217218899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225607517) 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, 17733 + ... + 27670.

It is an arithmetic number, because the mean of its divisors is an integer number (56414470).

Almost surely, 2^225607507 is an apocalyptic number.

225607507 is a deficient number, since it is larger than the sum of its proper divisors (50373).

225607507 is an equidigital number, since it uses as much as digits as its factorization.

225607507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50372.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 225607507 is about 15020.2365826907. The cubic root of 225607507 is about 608.7671121124.

The spelling of 225607507 in words is "two hundred twenty-five million, six hundred seven thousand, five hundred seven".