225665343565 has 8 divisors (see below), whose sum is σ = 270802897920. Its totient is φ = 180529284432.

The previous prime is 225665343557. The next prime is 225665343569. The reversal of 225665343565 is 565343566522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225665343565 - 2³ = 225665343557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225665343569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9489 + ... + 671878.

It is an arithmetic number, because the mean of its divisors is an integer number (33850362240).

Almost surely, 2^225665343565 is an apocalyptic number.

It is an amenable number.

225665343565 is a deficient number, since it is larger than the sum of its proper divisors (45137554355).

225665343565 is an equidigital number, since it uses as much as digits as its factorization.

225665343565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747611.

The product of its digits is 19440000, while the sum is 52.

The spelling of 225665343565 in words is "two hundred twenty-five billion, six hundred sixty-five million, three hundred forty-three thousand, five hundred sixty-five".