225319159808 has 108 divisors (see below), whose sum is σ = 479365814655. Its totient is φ = 105860694016.

The previous prime is 225319159799. The next prime is 225319159837. The reversal of 225319159808 is 808951913522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 45570294784 + 179748865024 = 213472^2 + 423968^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335648.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225319159808.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 365184716 + ... + 365185332.

Almost surely, 2^225319159808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225319159808

225319159808 is an abundant number, since it is smaller than the sum of its proper divisors (254046654847).

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

225319159808 is an frugal number, since it uses more digits than its factorization.

225319159808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 225319159808 in words is "two hundred twenty-five billion, three hundred nineteen million, one hundred fifty-nine thousand, eight hundred eight".