225521936803 has 16 divisors (see below), whose sum is σ = 227802960000. Its totient is φ = 223251440832.

The previous prime is 225521936789. The next prime is 225521936867. The reversal of 225521936803 is 308639125522.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225521936803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225521937803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96088276 + ... + 96090622.

It is an arithmetic number, because the mean of its divisors is an integer number (14237685000).

Almost surely, 2^225521936803 is an apocalyptic number.

225521936803 is a deficient number, since it is larger than the sum of its proper divisors (2281023197).

225521936803 is a wasteful number, since it uses less digits than its factorization.

225521936803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 225521936803 in words is "two hundred twenty-five billion, five hundred twenty-one million, nine hundred thirty-six thousand, eight hundred three".