1322400004 has 12 divisors (see below), whose sum is σ = 2314822300. Its totient is φ = 661022208.

The previous prime is 1322399993. The next prime is 1322400007. The reversal of 1322400004 is 4000042231.

It can be written as a sum of positive squares in 2 ways, for example, as 845064900 + 477335104 = 29070^2 + 21848^2 .

It is not an unprimeable number, because it can be changed into a prime (1322400007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26949 + ... + 58060.

Almost surely, 2^1322400004 is an apocalyptic number.

It is an amenable number.

1322400004 is a deficient number, since it is larger than the sum of its proper divisors (992422296).

1322400004 is a wasteful number, since it uses less digits than its factorization.

1322400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88902 (or 88900 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1322400004 is about 36364.8182176125. The cubic root of 1322400004 is about 1097.6257341121.

Adding to 1322400004 its reverse (4000042231), we get a palindrome (5322442235).

The spelling of 1322400004 in words is "one billion, three hundred twenty-two million, four hundred thousand, four".