225113579908 has 72 divisors (see below), whose sum is σ = 468605074392. Its totient is φ = 94313995776.

The previous prime is 225113579903. The next prime is 225113579953. The reversal of 225113579908 is 809975311522.

It can be written as a sum of positive squares in 4 ways, for example, as 27857284 + 225085722624 = 5278^2 + 474432^2 .

It is a super-2 number, since 2×225113579908² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225113579903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2838360 + ... + 2916592.

It is an arithmetic number, because the mean of its divisors is an integer number (6508403811).

Almost surely, 2^225113579908 is an apocalyptic number.

225113579908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225113579908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234302537196).

225113579908 is an abundant number, since it is smaller than the sum of its proper divisors (243491494484).

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

225113579908 is a wasteful number, since it uses less digits than its factorization.

225113579908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78581 (or 78572 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 225113579908 in words is "two hundred twenty-five billion, one hundred thirteen million, five hundred seventy-nine thousand, nine hundred eight".