1322320432 has 10 divisors (see below), whose sum is σ = 2561995868. Its totient is φ = 661160208.

The previous prime is 1322320421. The next prime is 1322320457. The reversal of 1322320432 is 2340232231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41322498 + ... + 41322529.

Almost surely, 2^1322320432 is an apocalyptic number.

It is an amenable number.

1322320432 is a deficient number, since it is larger than the sum of its proper divisors (1239675436).

1322320432 is an equidigital number, since it uses as much as digits as its factorization.

1322320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82645035 (or 82645029 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1322320432 is about 36363.7241217123. The cubic root of 1322320432 is about 1097.6037180740.

Adding to 1322320432 its reverse (2340232231), we get a palindrome (3662552663).

The spelling of 1322320432 in words is "one billion, three hundred twenty-two million, three hundred twenty thousand, four hundred thirty-two".