2189303 has 2 divisors, whose sum is σ = 2189304. Its totient is φ = 2189302.

The previous prime is 2189287. The next prime is 2189309. The reversal of 2189303 is 3039812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2189303 - 2⁴ = 2189287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094651 + 1094652.

It is an arithmetic number, because the mean of its divisors is an integer number (1094652).

2^2189303 is an apocalyptic number.

2189303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189303 is an equidigital number, since it uses as much as digits as its factorization.

2189303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2189303 is about 1479.6293454781. The cubic root of 2189303 is about 129.8480077687.

The spelling of 2189303 in words is "two million, one hundred eighty-nine thousand, three hundred three".