322423040 has 36 divisors (see below), whose sum is σ = 772307004. Its totient is φ = 128968704.

The previous prime is 322423021. The next prime is 322423051. The reversal of 322423040 is 40324223.

It can be written as a sum of positive squares in 2 ways, for example, as 165071104 + 157351936 = 12848^2 + 12544^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 124667 + ... + 127226.

Almost surely, 2^322423040 is an apocalyptic number.

It is an amenable number.

322423040 is an abundant number, since it is smaller than the sum of its proper divisors (449883964).

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

322423040 is an equidigital number, since it uses as much as digits as its factorization.

322423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251914 (or 251900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 322423040 is about 17956.1421246325. The cubic root of 322423040 is about 685.7124312119.

Adding to 322423040 its reverse (40324223), we get a palindrome (362747263).

The spelling of 322423040 in words is "three hundred twenty-two million, four hundred twenty-three thousand, forty".