225842630017 has 4 divisors (see below), whose sum is σ = 229544968276. Its totient is φ = 222140291760.

The previous prime is 225842630011. The next prime is 225842630021. The reversal of 225842630017 is 710036248522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710036248522 = 2 ⋅355018124261.

It can be written as a sum of positive squares in 2 ways, for example, as 7948792336 + 217893837681 = 89156^2 + 466791^2 .

It is a cyclic number.

It is not a de Polignac number, because 225842630017 - 2⁷ = 225842629889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225842630011) 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, 1851169038 + ... + 1851169159.

It is an arithmetic number, because the mean of its divisors is an integer number (57386242069).

Almost surely, 2^225842630017 is an apocalyptic number.

It is an amenable number.

225842630017 is a deficient number, since it is larger than the sum of its proper divisors (3702338259).

225842630017 is an equidigital number, since it uses as much as digits as its factorization.

225842630017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702338258.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 225842630017 its reverse (710036248522), we get a palindrome (935878878539).

The spelling of 225842630017 in words is "two hundred twenty-five billion, eight hundred forty-two million, six hundred thirty thousand, seventeen".