322140540 has 24 divisors (see below), whose sum is σ = 901993680. Its totient is φ = 85904128.

The previous prime is 322140529. The next prime is 322140541. The reversal of 322140540 is 45041223.

It is a super-2 number, since 2×322140540² = 207549055022983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322140541) 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 7 ways as a sum of consecutive naturals, for example, 2684445 + ... + 2684564.

It is an arithmetic number, because the mean of its divisors is an integer number (37583070).

Almost surely, 2^322140540 is an apocalyptic number.

322140540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322140540 is an abundant number, since it is smaller than the sum of its proper divisors (579853140).

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

322140540 is a wasteful number, since it uses less digits than its factorization.

322140540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369021 (or 5369019 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 322140540 is about 17948.2740117260. The cubic root of 322140540 is about 685.5121039594.

Adding to 322140540 its reverse (45041223), we get a palindrome (367181763).

The spelling of 322140540 in words is "three hundred twenty-two million, one hundred forty thousand, five hundred forty".