322220316 has 48 divisors (see below), whose sum is σ = 863372160. Its totient is φ = 92502720.

The previous prime is 322220303. The next prime is 322220347. The reversal of 322220316 is 613022223.

It is a junction number, because it is equal to n+sod(n) for n = 322220292 and 322220301.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61731 + ... + 66746.

It is an arithmetic number, because the mean of its divisors is an integer number (17986920).

Almost surely, 2^322220316 is an apocalyptic number.

It is an amenable number.

322220316 is an abundant number, since it is smaller than the sum of its proper divisors (541151844).

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

322220316 is a wasteful number, since it uses less digits than its factorization.

322220316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128514 (or 128512 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 322220316 is about 17950.4962605495. The cubic root of 322220316 is about 685.5686868201.

Adding to 322220316 its reverse (613022223), we get a palindrome (935242539).

The spelling of 322220316 in words is "three hundred twenty-two million, two hundred twenty thousand, three hundred sixteen".