321344404322 has 16 divisors (see below), whose sum is σ = 483517329912. Its totient is φ = 160172737920.

The previous prime is 321344404291. The next prime is 321344404327. The reversal of 321344404322 is 223404443123.

It can be written as a sum of positive squares in 4 ways, for example, as 172464953521 + 148879450801 = 415289^2 + 385849^2 .

It is a super-2 number, since 2×321344404322² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321344404327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636422 + ... + 1023582.

Almost surely, 2^321344404322 is an apocalyptic number.

321344404322 is a deficient number, since it is larger than the sum of its proper divisors (162172925590).

321344404322 is a wasteful number, since it uses less digits than its factorization.

321344404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388453.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 321344404322 its reverse (223404443123), we get a palindrome (544748847445).

The spelling of 321344404322 in words is "three hundred twenty-one billion, three hundred forty-four million, four hundred four thousand, three hundred twenty-two".