2232330143221 has 2 divisors, whose sum is σ = 2232330143222. Its totient is φ = 2232330143220.

The previous prime is 2232330143207. The next prime is 2232330143227. The reversal of 2232330143221 is 1223410332322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1945983150225 + 286346992996 = 1394985^2 + 535114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232330143221 - 2⁹ = 2232330142709 is a prime.

It is a super-3 number, since 3×2232330143221³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2232330143221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232330143227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116165071610 + 1116165071611.

It is an arithmetic number, because the mean of its divisors is an integer number (1116165071611).

Almost surely, 2^{2232330143221} is an apocalyptic number.

It is an amenable number.

2232330143221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232330143221 is an equidigital number, since it uses as much as digits as its factorization.

2232330143221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2232330143221 its reverse (1223410332322), we get a palindrome (3455740475543).

The spelling of 2232330143221 in words is "two trillion, two hundred thirty-two billion, three hundred thirty million, one hundred forty-three thousand, two hundred twenty-one".