225171520300 has 72 divisors (see below), whose sum is σ = 522302632992. Its totient is φ = 84051264000.

The previous prime is 225171520297. The next prime is 225171520363. The reversal of 225171520300 is 3025171522.

225171520300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099611 + ... + 1288210.

It is an arithmetic number, because the mean of its divisors is an integer number (7254203236).

Almost surely, 2^225171520300 is an apocalyptic number.

225171520300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225171520300 is an abundant number, since it is smaller than the sum of its proper divisors (297131112692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225171520300 is a wasteful number, since it uses less digits than its factorization.

225171520300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387899 (or 2387892 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 225171520300 its reverse (3025171522), we get a palindrome (228196691822).

The spelling of 225171520300 in words is "two hundred twenty-five billion, one hundred seventy-one million, five hundred twenty thousand, three hundred".