1328097822 has 8 divisors (see below), whose sum is σ = 2656195656. Its totient is φ = 442699272.

The previous prime is 1328097773. The next prime is 1328097863. The reversal of 1328097822 is 2287908231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1328097822 is an admirable number.

It is a super-2 number, since 2×1328097822² = 3527687649602287368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110674813 + ... + 110674824.

It is an arithmetic number, because the mean of its divisors is an integer number (332024457).

Almost surely, 2^1328097822 is an apocalyptic number.

1328097822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1328097822 is a wasteful number, since it uses less digits than its factorization.

1328097822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221349642.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1328097822 is about 36443.0764617918. The cubic root of 1328097822 is about 1099.1999201351.

The spelling of 1328097822 in words is "one billion, three hundred twenty-eight million, ninety-seven thousand, eight hundred twenty-two".