222232322189 has 2 divisors, whose sum is σ = 222232322190. Its totient is φ = 222232322188.

The previous prime is 222232322161. The next prime is 222232322227. The reversal of 222232322189 is 981223232222.

It is a happy number.

It is an a-pointer prime, because the next prime (222232322227) can be obtained adding 222232322189 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204726386089 + 17505936100 = 452467^2 + 132310^2 .

It is a cyclic number.

It is not a de Polignac number, because 222232322189 - 2¹² = 222232318093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222232322089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116161094 + 111116161095.

It is an arithmetic number, because the mean of its divisors is an integer number (111116161095).

Almost surely, 2^222232322189 is an apocalyptic number.

It is an amenable number.

222232322189 is a deficient number, since it is larger than the sum of its proper divisors (1).

222232322189 is an equidigital number, since it uses as much as digits as its factorization.

222232322189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The spelling of 222232322189 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred eighty-nine".