322220012 has 12 divisors (see below), whose sum is σ = 593563320. Its totient is φ = 152630496.

The previous prime is 322220009. The next prime is 322220021. The reversal of 322220012 is 210022223.

It is a super-2 number, since 2×322220012² = 207651472266560288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2119793 + ... + 2119944.

It is an arithmetic number, because the mean of its divisors is an integer number (49463610).

Almost surely, 2^322220012 is an apocalyptic number.

It is an amenable number.

322220012 is a deficient number, since it is larger than the sum of its proper divisors (271343308).

322220012 is a wasteful number, since it uses less digits than its factorization.

322220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239760 (or 4239758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 322220012 is about 17950.4877928150. The cubic root of 322220012 is about 685.5684712192.

Adding to 322220012 its reverse (210022223), we get a palindrome (532242235).

The spelling of 322220012 in words is "three hundred twenty-two million, two hundred twenty thousand, twelve".