225532434355565 has 16 divisors (see below), whose sum is σ = 275746230764928. Its totient is φ = 177021097046976.

The previous prime is 225532434355561. The next prime is 225532434355573. The reversal of 225532434355565 is 565553434235522.

It is a cyclic number.

It is not a de Polignac number, because 225532434355565 - 2² = 225532434355561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225532434355561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89688494 + ... + 92168816.

It is an arithmetic number, because the mean of its divisors is an integer number (17234139422808).

Almost surely, 2^{225532434355565} is an apocalyptic number.

It is an amenable number.

225532434355565 is a deficient number, since it is larger than the sum of its proper divisors (50213796409363).

225532434355565 is a wasteful number, since it uses less digits than its factorization.

225532434355565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823508.

The product of its digits is 324000000, while the sum is 59.

The spelling of 225532434355565 in words is "two hundred twenty-five trillion, five hundred thirty-two billion, four hundred thirty-four million, three hundred fifty-five thousand, five hundred sixty-five".