322132340 has 12 divisors (see below), whose sum is σ = 676477956. Its totient is φ = 128852928.

The previous prime is 322132309. The next prime is 322132351. The reversal of 322132340 is 43231223.

It can be written as a sum of positive squares in 2 ways, for example, as 248755984 + 73376356 = 15772^2 + 8566^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16106617 = 322132340 / (3 + 2 + 2 + 1 + 3 + 2 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8053289 + ... + 8053328.

It is an arithmetic number, because the mean of its divisors is an integer number (56373163).

Almost surely, 2^322132340 is an apocalyptic number.

It is an amenable number.

322132340 is an abundant number, since it is smaller than the sum of its proper divisors (354345616).

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

322132340 is a wasteful number, since it uses less digits than its factorization.

322132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106626 (or 16106624 counting only the distinct ones).

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

The square root of 322132340 is about 17948.0455760509. The cubic root of 322132340 is about 685.5062874018.

Adding to 322132340 its reverse (43231223), we get a palindrome (365363563).

The spelling of 322132340 in words is "three hundred twenty-two million, one hundred thirty-two thousand, three hundred forty".