1328922998 has 16 divisors (see below), whose sum is σ = 2196647376. Its totient is φ = 599084640.

The previous prime is 1328922971. The next prime is 1328923019. The reversal of 1328922998 is 8992298231.

It is a super-2 number, since 2×1328922998² = 3532072669226616008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593213 + ... + 595448.

It is an arithmetic number, because the mean of its divisors is an integer number (137290461).

Almost surely, 2^1328922998 is an apocalyptic number.

1328922998 is a deficient number, since it is larger than the sum of its proper divisors (867724378).

1328922998 is a wasteful number, since it uses less digits than its factorization.

1328922998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188719.

The product of its digits is 1119744, while the sum is 53.

The square root of 1328922998 is about 36454.3961409320. The cubic root of 1328922998 is about 1099.4275252582.

The spelling of 1328922998 in words is "one billion, three hundred twenty-eight million, nine hundred twenty-two thousand, nine hundred ninety-eight".