2686223 has 2 divisors, whose sum is σ = 2686224. Its totient is φ = 2686222.

The previous prime is 2686219. The next prime is 2686259. The reversal of 2686223 is 3226862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2686223 - 2² = 2686219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2686213) 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, 1343111 + 1343112.

It is an arithmetic number, because the mean of its divisors is an integer number (1343112).

2^2686223 is an apocalyptic number.

2686223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686223 is an equidigital number, since it uses as much as digits as its factorization.

2686223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 2686223 is about 1638.9701034491. The cubic root of 2686223 is about 139.0104196595.

The spelling of 2686223 in words is "two million, six hundred eighty-six thousand, two hundred twenty-three".