322540404 has 24 divisors (see below), whose sum is σ = 766795680. Its totient is φ = 105484704.

The previous prime is 322540403. The next prime is 322540453. The reversal of 322540404 is 404045223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322540403) 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, 252934 + ... + 254205.

It is an arithmetic number, because the mean of its divisors is an integer number (31949820).

Almost surely, 2^322540404 is an apocalyptic number.

It is an amenable number.

322540404 is an abundant number, since it is smaller than the sum of its proper divisors (444255276).

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

322540404 is a wasteful number, since it uses less digits than its factorization.

322540404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507199 (or 507197 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 322540404 is about 17959.4099012189. The cubic root of 322540404 is about 685.7956223211.

Adding to 322540404 its reverse (404045223), we get a palindrome (726585627).

The spelling of 322540404 in words is "three hundred twenty-two million, five hundred forty thousand, four hundred four".