2189333 has 2 divisors, whose sum is σ = 2189334. Its totient is φ = 2189332.

The previous prime is 2189329. The next prime is 2189339. The reversal of 2189333 is 3339812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 223729 = 1402^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2189333 - 2² = 2189329 is a prime.

It is a Chen prime.

It is equal to p₁₆₁₉₅₇ and since 2189333 and 161957 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2189296 and 2189305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094666 + 1094667.

It is an arithmetic number, because the mean of its divisors is an integer number (1094667).

2^2189333 is an apocalyptic number.

It is an amenable number.

2189333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189333 is an equidigital number, since it uses as much as digits as its factorization.

2189333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 2189333 is about 1479.6394831174. The cubic root of 2189333 is about 129.8486008680.

The spelling of 2189333 in words is "two million, one hundred eighty-nine thousand, three hundred thirty-three".