1328082722 has 18 divisors (see below), whose sum is σ = 2025525267. Its totient is φ = 653089536.

The previous prime is 1328082719. The next prime is 1328082781. The reversal of 1328082722 is 2272808231.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 628956241 + 699126481 = 25079^2 + 26441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25769.

It is a Duffinian number.

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, 3762098 + ... + 3762450.

Almost surely, 2^1328082722 is an apocalyptic number.

1328082722 is a deficient number, since it is larger than the sum of its proper divisors (697442545).

1328082722 is an frugal number, since it uses more digits than its factorization.

1328082722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1328082722 is about 36442.8692887923. The cubic root of 1328082722 is about 1099.1957542819.

The spelling of 1328082722 in words is "one billion, three hundred twenty-eight million, eighty-two thousand, seven hundred twenty-two".