1322998356 has 24 divisors (see below), whose sum is σ = 3098741184. Its totient is φ = 439321600.

The previous prime is 1322998351. The next prime is 1322998379. The reversal of 1322998356 is 6538992231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322998351) by changing a digit.

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, 206445 + ... + 212756.

It is an arithmetic number, because the mean of its divisors is an integer number (129114216).

Almost surely, 2^1322998356 is an apocalyptic number.

It is an amenable number.

1322998356 is an abundant number, since it is smaller than the sum of its proper divisors (1775742828).

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

1322998356 is a wasteful number, since it uses less digits than its factorization.

1322998356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419471 (or 419469 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 1322998356 is about 36373.0443598003. The cubic root of 1322998356 is about 1097.7912582903.

The spelling of 1322998356 in words is "one billion, three hundred twenty-two million, nine hundred ninety-eight thousand, three hundred fifty-six".