223068442189 has 2 divisors, whose sum is σ = 223068442190. Its totient is φ = 223068442188.

The previous prime is 223068442159. The next prime is 223068442237. The reversal of 223068442189 is 981244860322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168216460164 + 54851982025 = 410142^2 + 234205^2 .

It is a cyclic number.

It is not a de Polignac number, because 223068442189 - 2¹³ = 223068433997 is a prime.

It is a super-2 number, since 2×223068442189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223068442109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111534221094 + 111534221095.

It is an arithmetic number, because the mean of its divisors is an integer number (111534221095).

Almost surely, 2^223068442189 is an apocalyptic number.

It is an amenable number.

223068442189 is a deficient number, since it is larger than the sum of its proper divisors (1).

223068442189 is an equidigital number, since it uses as much as digits as its factorization.

223068442189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 223068442189 in words is "two hundred twenty-three billion, sixty-eight million, four hundred forty-two thousand, one hundred eighty-nine".