1329005522 has 12 divisors (see below), whose sum is σ = 2158651530. Its totient is φ = 613387008.

The previous prime is 1329005519. The next prime is 1329005551. The reversal of 1329005522 is 2255009231.

It can be written as a sum of positive squares in 3 ways, for example, as 428945521 + 900060001 = 20711^2 + 30001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1965647 + ... + 1966322.

Almost surely, 2^1329005522 is an apocalyptic number.

1329005522 is a deficient number, since it is larger than the sum of its proper divisors (829646008).

1329005522 is a wasteful number, since it uses less digits than its factorization.

1329005522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931997 (or 3931984 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1329005522 is about 36455.5280033084. The cubic root of 1329005522 is about 1099.4502823528.

The spelling of 1329005522 in words is "one billion, three hundred twenty-nine million, five thousand, five hundred twenty-two".