322342420 has 12 divisors (see below), whose sum is σ = 676919124. Its totient is φ = 128936960.

The previous prime is 322342387. The next prime is 322342421. The reversal of 322342420 is 24243223.

It can be written as a sum of positive squares in 2 ways, for example, as 70358544 + 251983876 = 8388^2 + 15874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322342391 and 322342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322342421) 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, 8058541 + ... + 8058580.

It is an arithmetic number, because the mean of its divisors is an integer number (56409927).

Almost surely, 2^322342420 is an apocalyptic number.

It is an amenable number.

322342420 is an abundant number, since it is smaller than the sum of its proper divisors (354576704).

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

322342420 is a wasteful number, since it uses less digits than its factorization.

322342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117130 (or 16117128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 322342420 is about 17953.8970699957. The cubic root of 322342420 is about 685.6552736501.

Adding to 322342420 its reverse (24243223), we get a palindrome (346585643).

The spelling of 322342420 in words is "three hundred twenty-two million, three hundred forty-two thousand, four hundred twenty".