322304242 has 16 divisors (see below), whose sum is σ = 522815832. Its totient is φ = 148135680.

The previous prime is 322304219. The next prime is 322304243. The reversal of 322304242 is 242403223.

It can be written as a sum of positive squares in 4 ways, for example, as 315382081 + 6922161 = 17759^2 + 2631^2 .

It is a super-2 number, since 2×322304242² = 207760048822389128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322304243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19453 + ... + 31984.

Almost surely, 2^322304242 is an apocalyptic number.

322304242 is a deficient number, since it is larger than the sum of its proper divisors (200511590).

322304242 is a wasteful number, since it uses less digits than its factorization.

322304242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51693.

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

The square root of 322304242 is about 17952.8338153062. The cubic root of 322304242 is about 685.6282030786.

Adding to 322304242 its reverse (242403223), we get a palindrome (564707465).

The spelling of 322304242 in words is "three hundred twenty-two million, three hundred four thousand, two hundred forty-two".