2189167 has 2 divisors, whose sum is σ = 2189168. Its totient is φ = 2189166.

The previous prime is 2189153. The next prime is 2189171. The reversal of 2189167 is 7619812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2189167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094583 + 1094584.

It is an arithmetic number, because the mean of its divisors is an integer number (1094584).

2^2189167 is an apocalyptic number.

2189167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189167 is an equidigital number, since it uses as much as digits as its factorization.

2189167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 2189167 is about 1479.5833873087. The cubic root of 2189167 is about 129.8453189838.

It can be divided in two parts, 2189 and 167, that multiplied together give a palindrome (365563).

The spelling of 2189167 in words is "two million, one hundred eighty-nine thousand, one hundred sixty-seven".