322123218481 has 9 divisors (see below), whose sum is σ = 333630986923. Its totient is φ = 310999629640.

The previous prime is 322123218449. The next prime is 322123218491. The reversal of 322123218481 is 184812321223.

The square root of 322123218481 is 567559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 168913602081 + 153209616400 = 410991^2 + 391420^2 .

It is not a de Polignac number, because 322123218481 - 2⁵ = 322123218449 is a prime.

It is a super-2 number, since 2×322123218481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322123218481.

It is not an unprimeable number, because it can be changed into a prime (322123218491) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16449426 + ... + 16468996.

Almost surely, 2^322123218481 is an apocalyptic number.

322123218481 is the 567559-th square number.

322123218481 is the 283780-th centered octagonal number.

It is an amenable number.

322123218481 is a deficient number, since it is larger than the sum of its proper divisors (11507768442).

322123218481 is an frugal number, since it uses more digits than its factorization.

322123218481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39200 (or 19600 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The spelling of 322123218481 in words is "three hundred twenty-two billion, one hundred twenty-three million, two hundred eighteen thousand, four hundred eighty-one".