225128743068 has 24 divisors (see below), whose sum is σ = 525865873680. Its totient is φ = 74962132480.

The previous prime is 225128743067. The next prime is 225128743109. The reversal of 225128743068 is 860347821522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225128743067) 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, 10086123 + ... + 10108418.

It is an arithmetic number, because the mean of its divisors is an integer number (21911078070).

Almost surely, 2^225128743068 is an apocalyptic number.

It is an amenable number.

225128743068 is an abundant number, since it is smaller than the sum of its proper divisors (300737130612).

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

225128743068 is a wasteful number, since it uses less digits than its factorization.

225128743068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195477 (or 20195475 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 225128743068 in words is "two hundred twenty-five billion, one hundred twenty-eight million, seven hundred forty-three thousand, sixty-eight".