223220002189 has 2 divisors, whose sum is σ = 223220002190. Its totient is φ = 223220002188.

The previous prime is 223220002139. The next prime is 223220002217. The reversal of 223220002189 is 981200022322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121358173225 + 101861828964 = 348365^2 + 319158^2 .

It is a cyclic number.

It is not a de Polignac number, because 223220002189 - 2⁹ = 223220001677 is a prime.

It is a super-3 number, since 3×223220002189³ (a number of 35 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 223220002189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223220002139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610001094 + 111610001095.

It is an arithmetic number, because the mean of its divisors is an integer number (111610001095).

Almost surely, 2^223220002189 is an apocalyptic number.

It is an amenable number.

223220002189 is a deficient number, since it is larger than the sum of its proper divisors (1).

223220002189 is an equidigital number, since it uses as much as digits as its factorization.

223220002189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 223220002189 in words is "two hundred twenty-three billion, two hundred twenty million, two thousand, one hundred eighty-nine".