1322404 has 12 divisors (see below), whose sum is σ = 2324700. Its totient is φ = 658208.

The previous prime is 1322389. The next prime is 1322423. The reversal of 1322404 is 4042231.

It can be written as a sum of positive squares in 2 ways, for example, as 756900 + 565504 = 870^2 + 752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (193725).

2^1322404 is an apocalyptic number.

It is an amenable number.

1322404 is a deficient number, since it is larger than the sum of its proper divisors (1002296).

1322404 is a wasteful number, since it uses less digits than its factorization.

1322404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1500 counting only the distinct ones).

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

The square root of 1322404 is about 1149.9582601121. The cubic root of 1322404 is about 109.7626839705.

Adding to 1322404 its reverse (4042231), we get a palindrome (5364635).

The spelling of 1322404 in words is "one million, three hundred twenty-two thousand, four hundred four".