322807730081 has 4 divisors (see below), whose sum is σ = 328279047600. Its totient is φ = 317336412564.

The previous prime is 322807730023. The next prime is 322807730099. The reversal of 322807730081 is 180037708223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180037708223 = 53 ⋅3396937891.

It is a cyclic number.

It is not a de Polignac number, because 322807730081 - 2³⁴ = 305627860897 is a prime.

It is a super-2 number, since 2×322807730081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322807730681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735658671 + ... + 2735658788.

It is an arithmetic number, because the mean of its divisors is an integer number (82069761900).

Almost surely, 2^322807730081 is an apocalyptic number.

It is an amenable number.

322807730081 is a deficient number, since it is larger than the sum of its proper divisors (5471317519).

322807730081 is an equidigital number, since it uses as much as digits as its factorization.

322807730081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471317518.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 322807730081 in words is "three hundred twenty-two billion, eight hundred seven million, seven hundred thirty thousand, eighty-one".