225331130000 has 50 divisors (see below), whose sum is σ = 545549223054. Its totient is φ = 90132448000.

The previous prime is 225331129951. The next prime is 225331130027. The reversal of 225331130000 is 31133522.

It can be written as a sum of positive squares in 5 ways, for example, as 33543189904 + 191787940096 = 183148^2 + 437936^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 11256557 + ... + 11276556.

Almost surely, 2^225331130000 is an apocalyptic number.

225331130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225331130000 is an abundant number, since it is smaller than the sum of its proper divisors (320218093054).

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

225331130000 is an equidigital number, since it uses as much as digits as its factorization.

225331130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22533141 (or 22533120 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 225331130000 its reverse (31133522), we get a palindrome (225362263522).

The spelling of 225331130000 in words is "two hundred twenty-five billion, three hundred thirty-one million, one hundred thirty thousand".