322402212 has 144 divisors (see below), whose sum is σ = 954338112. Its totient is φ = 90685440.

The previous prime is 322402181. The next prime is 322402217. The reversal of 322402212 is 212204223.

322402212 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

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

322402212 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (322402217) 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 47 ways as a sum of consecutive naturals, for example, 558468 + ... + 559044.

It is an arithmetic number, because the mean of its divisors is an integer number (6627348).

Almost surely, 2^322402212 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 322402212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477169056).

322402212 is an abundant number, since it is smaller than the sum of its proper divisors (631935900).

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

322402212 is a wasteful number, since it uses less digits than its factorization.

322402212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 693 counting only the distinct ones).

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

The square root of 322402212 is about 17955.5621465884. The cubic root of 322402212 is about 685.6976655942.

Adding to 322402212 its reverse (212204223), we get a palindrome (534606435).

The spelling of 322402212 in words is "three hundred twenty-two million, four hundred two thousand, two hundred twelve".