2213789 has 2 divisors, whose sum is σ = 2213790. Its totient is φ = 2213788.

The previous prime is 2213759. The next prime is 2213833. The reversal of 2213789 is 9873122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 444889 = 1330^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213789 - 2¹² = 2209693 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 (2213759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106894 + 1106895.

It is an arithmetic number, because the mean of its divisors is an integer number (1106895).

2^2213789 is an apocalyptic number.

It is an amenable number.

2213789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213789 is an equidigital number, since it uses as much as digits as its factorization.

2213789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 2213789 is about 1487.8807075838. The cubic root of 2213789 is about 130.3303040369.

The spelling of 2213789 in words is "two million, two hundred thirteen thousand, seven hundred eighty-nine".