13309998224 has 40 divisors (see below), whose sum is σ = 28246640760. Its totient is φ = 6047541248.

The previous prime is 13309998217. The next prime is 13309998257. The reversal of 13309998224 is 42289990331.

It can be written as a sum of positive squares in 4 ways, for example, as 6331066624 + 6978931600 = 79568^2 + 83540^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835799 + ... + 851574.

It is an arithmetic number, because the mean of its divisors is an integer number (706166019).

Almost surely, 2^13309998224 is an apocalyptic number.

It is an amenable number.

13309998224 is an abundant number, since it is smaller than the sum of its proper divisors (14936642536).

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

13309998224 is a wasteful number, since it uses less digits than its factorization.

13309998224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687427 (or 1687421 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 13309998224 in words is "thirteen billion, three hundred nine million, nine hundred ninety-eight thousand, two hundred twenty-four".