324022140 has 192 divisors, whose sum is σ = 1098760320. Its totient is φ = 78796800.

The previous prime is 324022121. The next prime is 324022147. The reversal of 324022140 is 41220423.

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

324022140 is a modest number, since divided by 22140 gives 3240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324022147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 708792 + ... + 709248.

It is an arithmetic number, because the mean of its divisors is an integer number (5722710).

Almost surely, 2^324022140 is an apocalyptic number.

324022140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324022140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549380160).

324022140 is an abundant number, since it is smaller than the sum of its proper divisors (774738180).

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

324022140 is a wasteful number, since it uses less digits than its factorization.

324022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 581 counting only the distinct ones).

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

The square root of 324022140 is about 18000.6149894941. The cubic root of 324022140 is about 686.8441896036.

Adding to 324022140 its reverse (41220423), we get a palindrome (365242563).

The spelling of 324022140 in words is "three hundred twenty-four million, twenty-two thousand, one hundred forty".