322012404 has 144 divisors (see below), whose sum is σ = 972316800. Its totient is φ = 87913728.

The previous prime is 322012403. The next prime is 322012421. The reversal of 322012404 is 404210223.

It is a super-3 number, since 3×322012404³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322012403) 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 47 ways as a sum of consecutive naturals, for example, 1015654 + ... + 1015970.

It is an arithmetic number, because the mean of its divisors is an integer number (6752200).

Almost surely, 2^322012404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322012404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486158400).

322012404 is an abundant number, since it is smaller than the sum of its proper divisors (650304396).

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

322012404 is a wasteful number, since it uses less digits than its factorization.

322012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 322012404 is about 17944.7040655454. The cubic root of 322012404 is about 685.4212011628.

Adding to 322012404 its reverse (404210223), we get a palindrome (726222627).

The spelling of 322012404 in words is "three hundred twenty-two million, twelve thousand, four hundred four".