331022189 has 2 divisors, whose sum is σ = 331022190. Its totient is φ = 331022188.

The previous prime is 331022183. The next prime is 331022201. The reversal of 331022189 is 981220133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323640100 + 7382089 = 17990^2 + 2717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331022189 is a prime.

It is a super-2 number, since 2×331022189² = 219151379220703442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331022183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165511094 + 165511095.

It is an arithmetic number, because the mean of its divisors is an integer number (165511095).

Almost surely, 2^331022189 is an apocalyptic number.

It is an amenable number.

331022189 is a deficient number, since it is larger than the sum of its proper divisors (1).

331022189 is an equidigital number, since it uses as much as digits as its factorization.

331022189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 331022189 is about 18194.0151973114. The cubic root of 331022189 is about 691.7550985269.

The spelling of 331022189 in words is "three hundred thirty-one million, twenty-two thousand, one hundred eighty-nine".