226488728648 has 180 divisors, whose sum is σ = 547658949465. Its totient is φ = 87516217152.

The previous prime is 226488728639. The next prime is 226488728693. The reversal of 226488728648 is 846827884622.

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 2 ways, for example, as 193654563844 + 32834164804 = 440062^2 + 181202^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336518.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5267179715 + ... + 5267179757.

Almost surely, 2^226488728648 is an apocalyptic number.

226488728648 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 226488728648

226488728648 is an abundant number, since it is smaller than the sum of its proper divisors (321170220817).

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

226488728648 is an frugal number, since it uses more digits than its factorization.

226488728648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 65 counting only the distinct ones).

The product of its digits is 132120576, while the sum is 65.

The spelling of 226488728648 in words is "two hundred twenty-six billion, four hundred eighty-eight million, seven hundred twenty-eight thousand, six hundred forty-eight".