1322073642 has 16 divisors (see below), whose sum is σ = 2644885152. Its totient is φ = 440568240.

The previous prime is 1322073617. The next prime is 1322073661. The reversal of 1322073642 is 2463702231.

It is a super-2 number, since 2×1322073642² = 3495757429742288328, which contains 22 as substring.

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, 5908 + ... + 51759.

It is an arithmetic number, because the mean of its divisors is an integer number (165305322).

Almost surely, 2^1322073642 is an apocalyptic number.

1322073642 is an abundant number, since it is smaller than the sum of its proper divisors (1322811510).

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

1322073642 is a wasteful number, since it uses less digits than its factorization.

1322073642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61493.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 1322073642 is about 36360.3306090580. The cubic root of 1322073642 is about 1097.5354304213.

Adding to 1322073642 its reverse (2463702231), we get a palindrome (3785775873).

The spelling of 1322073642 in words is "one billion, three hundred twenty-two million, seventy-three thousand, six hundred forty-two".