225707859497 has 4 divisors (see below), whose sum is σ = 225713788356. Its totient is φ = 225701930640.

The previous prime is 225707859493. The next prime is 225707859557. The reversal of 225707859497 is 794958707522.

225707859497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61637496361 + 164070363136 = 248269^2 + 405056^2 .

It is a cyclic number.

It is not a de Polignac number, because 225707859497 - 2² = 225707859493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225707859491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2906954 + ... + 2983587.

It is an arithmetic number, because the mean of its divisors is an integer number (56428447089).

Almost surely, 2^225707859497 is an apocalyptic number.

It is an amenable number.

225707859497 is a deficient number, since it is larger than the sum of its proper divisors (5928859).

225707859497 is an equidigital number, since it uses as much as digits as its factorization.

225707859497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928858.

The product of its (nonzero) digits is 88905600, while the sum is 65.

The spelling of 225707859497 in words is "two hundred twenty-five billion, seven hundred seven million, eight hundred fifty-nine thousand, four hundred ninety-seven".