222200189 has 2 divisors, whose sum is σ = 222200190. Its totient is φ = 222200188.

The previous prime is 222200179. The next prime is 222200191. The reversal of 222200189 is 981002222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214388164 + 7812025 = 14642^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 222200189 - 2⁸ = 222199933 is a prime.

Together with 222200191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100094 + 111100095.

It is an arithmetic number, because the mean of its divisors is an integer number (111100095).

Almost surely, 2^222200189 is an apocalyptic number.

It is an amenable number.

222200189 is a deficient number, since it is larger than the sum of its proper divisors (1).

222200189 is an equidigital number, since it uses as much as digits as its factorization.

222200189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 222200189 is about 14906.3808149396. The cubic root of 222200189 is about 605.6868451048.

The spelling of 222200189 in words is "two hundred twenty-two million, two hundred thousand, one hundred eighty-nine".