224908513928 has 108 divisors (see below), whose sum is σ = 521476587135. Its totient is φ = 90655014912.

The previous prime is 224908513909. The next prime is 224908513961. The reversal of 224908513928 is 829315809422.

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 35493806404 + 189414707524 = 188398^2 + 435218^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335342.

It is a self number, because there is not a number n which added to its sum of digits gives 224908513928.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 159622088 + ... + 159623496.

Almost surely, 2^224908513928 is an apocalyptic number.

224908513928 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 224908513928

224908513928 is an abundant number, since it is smaller than the sum of its proper divisors (296568073207).

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

224908513928 is an equidigital number, since it uses as much as digits as its factorization.

224908513928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 224908513928 in words is "two hundred twenty-four billion, nine hundred eight million, five hundred thirteen thousand, nine hundred twenty-eight".