225226327657 has 4 divisors (see below), whose sum is σ = 225227383380. Its totient is φ = 225225271936.

The previous prime is 225226327631. The next prime is 225226327673. The reversal of 225226327657 is 756723622522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 84225326656 + 141001001001 = 290216^2 + 375501^2 .

It is a cyclic number.

It is not a de Polignac number, because 225226327657 - 2¹⁵ = 225226294889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225226327657.

It is not an unprimeable number, because it can be changed into a prime (225226324657) 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, 82732 + ... + 676237.

It is an arithmetic number, because the mean of its divisors is an integer number (56306845845).

Almost surely, 2^225226327657 is an apocalyptic number.

It is an amenable number.

225226327657 is a deficient number, since it is larger than the sum of its proper divisors (1055723).

225226327657 is an equidigital number, since it uses as much as digits as its factorization.

225226327657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055722.

The product of its digits is 4233600, while the sum is 49.

The spelling of 225226327657 in words is "two hundred twenty-five billion, two hundred twenty-six million, three hundred twenty-seven thousand, six hundred fifty-seven".