2213440343 has 4 divisors (see below), whose sum is σ = 2214023448. Its totient is φ = 2212857240.

The previous prime is 2213440303. The next prime is 2213440357. The reversal of 2213440343 is 3430443122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213440343 - 2⁶ = 2213440279 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 (2213440303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285821 + ... + 293462.

It is an arithmetic number, because the mean of its divisors is an integer number (553505862).

Almost surely, 2^2213440343 is an apocalyptic number.

2213440343 is a deficient number, since it is larger than the sum of its proper divisors (583105).

2213440343 is an equidigital number, since it uses as much as digits as its factorization.

2213440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583104.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2213440343 is about 47047.2139770252. The cubic root of 2213440343 is about 1303.2346162646.

Adding to 2213440343 its reverse (3430443122), we get a palindrome (5643883465).

The spelling of 2213440343 in words is "two billion, two hundred thirteen million, four hundred forty thousand, three hundred forty-three".