2206343 has 4 divisors (see below), whose sum is σ = 2210280. Its totient is φ = 2202408.

The previous prime is 2206331. The next prime is 2206357. The reversal of 2206343 is 3436022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3436022 = 2 ⋅1718011.

It is a cyclic number.

It is not a de Polignac number, because 2206343 - 2⁴ = 2206327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (552570).

2^2206343 is an apocalyptic number.

2206343 is a deficient number, since it is larger than the sum of its proper divisors (3937).

2206343 is an equidigital number, since it uses as much as digits as its factorization.

2206343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2206343 is about 1485.3763832780. The cubic root of 2206343 is about 130.1840194701.

It can be divided in two parts, 2 and 206343, that multiplied together give a triangular number (412686 = T₉₀₈).

The spelling of 2206343 in words is "two million, two hundred six thousand, three hundred forty-three".