322321340 has 24 divisors (see below), whose sum is σ = 738409392. Its totient is φ = 117207680.

The previous prime is 322321277. The next prime is 322321367. The reversal of 322321340 is 43123223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 732329 + ... + 732768.

It is an arithmetic number, because the mean of its divisors is an integer number (30767058).

Almost surely, 2^322321340 is an apocalyptic number.

It is an amenable number.

322321340 is an abundant number, since it is smaller than the sum of its proper divisors (416088052).

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

322321340 is a wasteful number, since it uses less digits than its factorization.

322321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465117 (or 1465115 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 322321340 is about 17953.3100012226. The cubic root of 322321340 is about 685.6403268861.

Adding to 322321340 its reverse (43123223), we get a palindrome (365444563).

The spelling of 322321340 in words is "three hundred twenty-two million, three hundred twenty-one thousand, three hundred forty".