322323030 has 128 divisors (see below), whose sum is σ = 916876800. Its totient is φ = 80341632.

The previous prime is 322323013. The next prime is 322323037. The reversal of 322323030 is 30323223.

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

It is a junction number, because it is equal to n+sod(n) for n = 322322994 and 322323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322323037) 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 63 ways as a sum of consecutive naturals, for example, 425412 + ... + 426168.

It is an arithmetic number, because the mean of its divisors is an integer number (7163100).

Almost surely, 2^322323030 is an apocalyptic number.

322323030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

322323030 is the 11355-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322323030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458438400).

322323030 is an abundant number, since it is smaller than the sum of its proper divisors (594553770).

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

322323030 is a wasteful number, since it uses less digits than its factorization.

322323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 322323030 is about 17953.3570676907. The cubic root of 322323030 is about 685.6415252038.

Adding to 322323030 its reverse (30323223), we get a palindrome (352646253).

The spelling of 322323030 in words is "three hundred twenty-two million, three hundred twenty-three thousand, thirty".