322755875881 has 2 divisors, whose sum is σ = 322755875882. Its totient is φ = 322755875880.

The previous prime is 322755875867. The next prime is 322755875891. The reversal of 322755875881 is 188578557223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293108546025 + 29647329856 = 541395^2 + 172184^2 .

It is a cyclic number.

It is not a de Polignac number, because 322755875881 - 2¹¹ = 322755873833 is a prime.

It is a super-2 number, since 2×322755875881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (322755875861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161377937940 + 161377937941.

It is an arithmetic number, because the mean of its divisors is an integer number (161377937941).

Almost surely, 2^322755875881 is an apocalyptic number.

It is an amenable number.

322755875881 is a deficient number, since it is larger than the sum of its proper divisors (1).

322755875881 is an equidigital number, since it uses as much as digits as its factorization.

322755875881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632000, while the sum is 61.

The spelling of 322755875881 in words is "three hundred twenty-two billion, seven hundred fifty-five million, eight hundred seventy-five thousand, eight hundred eighty-one".