222143321401 has 2 divisors, whose sum is σ = 222143321402. Its totient is φ = 222143321400.

The previous prime is 222143321359. The next prime is 222143321437. The reversal of 222143321401 is 104123341222.

222143321401 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., 207094165776 + 15049155625 = 455076^2 + 122675^2 .

It is a cyclic number.

It is not a de Polignac number, because 222143321401 - 2¹¹ = 222143319353 is a prime.

It is not a weakly prime, because it can be changed into another prime (222143321201) 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, 111071660700 + 111071660701.

It is an arithmetic number, because the mean of its divisors is an integer number (111071660701).

Almost surely, 2^222143321401 is an apocalyptic number.

It is an amenable number.

222143321401 is a deficient number, since it is larger than the sum of its proper divisors (1).

222143321401 is an equidigital number, since it uses as much as digits as its factorization.

222143321401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222143321401 its reverse (104123341222), we get a palindrome (326266662623).

The spelling of 222143321401 in words is "two hundred twenty-two billion, one hundred forty-three million, three hundred twenty-one thousand, four hundred one".