225495187908 has 12 divisors (see below), whose sum is σ = 526155438480. Its totient is φ = 75165062632.

The previous prime is 225495187867. The next prime is 225495187909. The reversal of 225495187908 is 809781594522.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (225495187909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9395632818 + ... + 9395632841.

It is an arithmetic number, because the mean of its divisors is an integer number (43846286540).

Almost surely, 2^225495187908 is an apocalyptic number.

It is an amenable number.

225495187908 is an abundant number, since it is smaller than the sum of its proper divisors (300660250572).

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

225495187908 is a wasteful number, since it uses less digits than its factorization.

225495187908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18791265666 (or 18791265664 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 225495187908 in words is "two hundred twenty-five billion, four hundred ninety-five million, one hundred eighty-seven thousand, nine hundred eight".