1322812808 has 32 divisors (see below), whose sum is σ = 2507232000. Its totient is φ = 654257088.

The previous prime is 1322812793. The next prime is 1322812847. The reversal of 1322812808 is 8082182231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288518 + ... + 293066.

It is an arithmetic number, because the mean of its divisors is an integer number (78351000).

Almost surely, 2^1322812808 is an apocalyptic number.

It is an amenable number.

1322812808 is a deficient number, since it is larger than the sum of its proper divisors (1184419192).

1322812808 is a wasteful number, since it uses less digits than its factorization.

1322812808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941 (or 4937 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1322812808 is about 36370.4936452614. The cubic root of 1322812808 is about 1097.7399348464.

The spelling of 1322812808 in words is "one billion, three hundred twenty-two million, eight hundred twelve thousand, eight hundred eight".