322444404 has 18 divisors (see below), whose sum is σ = 815067890. Its totient is φ = 107481456.

The previous prime is 322444403. The next prime is 322444427. The reversal of 322444404 is 404444223.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 314991504 + 7452900 = 17748^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322444403) 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 5 ways as a sum of consecutive naturals, for example, 4478359 + ... + 4478430.

Almost surely, 2^322444404 is an apocalyptic number.

It is an amenable number.

322444404 is an abundant number, since it is smaller than the sum of its proper divisors (492623486).

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

322444404 is a wasteful number, since it uses less digits than its factorization.

322444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956799 (or 8956794 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 322444404 is about 17956.7370087107. The cubic root of 322444404 is about 685.7275761561.

Adding to 322444404 its reverse (404444223), we get a palindrome (726888627).

The spelling of 322444404 in words is "three hundred twenty-two million, four hundred forty-four thousand, four hundred four".