222543262321 has 2 divisors, whose sum is σ = 222543262322. Its totient is φ = 222543262320.

The previous prime is 222543262259. The next prime is 222543262369. The reversal of 222543262321 is 123262345222.

222543262321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190183210000 + 32360052321 = 436100^2 + 179889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222543262321 is a prime.

It is not a weakly prime, because it can be changed into another prime (222543212321) 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 as a sum of consecutive naturals, namely, 111271631160 + 111271631161.

It is an arithmetic number, because the mean of its divisors is an integer number (111271631161).

Almost surely, 2^222543262321 is an apocalyptic number.

It is an amenable number.

222543262321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222543262321 is an equidigital number, since it uses as much as digits as its factorization.

222543262321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 34.

The spelling of 222543262321 in words is "two hundred twenty-two billion, five hundred forty-three million, two hundred sixty-two thousand, three hundred twenty-one".