2188343 has 2 divisors, whose sum is σ = 2188344. Its totient is φ = 2188342.

The previous prime is 2188339. The next prime is 2188349. The reversal of 2188343 is 3438812.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2188343 - 2² = 2188339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2188349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094171 + 1094172.

It is an arithmetic number, because the mean of its divisors is an integer number (1094172).

2^2188343 is an apocalyptic number.

2188343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188343 is an equidigital number, since it uses as much as digits as its factorization.

2188343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 2188343 is about 1479.3049043385. The cubic root of 2188343 is about 129.8290257286.

The spelling of 2188343 in words is "two million, one hundred eighty-eight thousand, three hundred forty-three".