225242306507 has 4 divisors (see below), whose sum is σ = 227956069320. Its totient is φ = 222528543696.

The previous prime is 225242306491. The next prime is 225242306521. The reversal of 225242306507 is 705603242522.

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 225242306507 - 2⁴ = 225242306491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225242306587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356881282 + ... + 1356881447.

It is an arithmetic number, because the mean of its divisors is an integer number (56989017330).

Almost surely, 2^225242306507 is an apocalyptic number.

225242306507 is a deficient number, since it is larger than the sum of its proper divisors (2713762813).

225242306507 is an equidigital number, since it uses as much as digits as its factorization.

225242306507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713762812.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 225242306507 in words is "two hundred twenty-five billion, two hundred forty-two million, three hundred six thousand, five hundred seven".