2205660343 has 8 divisors (see below), whose sum is σ = 2239877808. Its totient is φ = 2171625024.

The previous prime is 2205660319. The next prime is 2205660383. The reversal of 2205660343 is 3430665022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205660343 - 2⁵ = 2205660311 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 (2205660383) 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 7 ways as a sum of consecutive naturals, for example, 21030 + ... + 69667.

It is an arithmetic number, because the mean of its divisors is an integer number (279984726).

Almost surely, 2^2205660343 is an apocalyptic number.

2205660343 is a deficient number, since it is larger than the sum of its proper divisors (34217465).

2205660343 is an equidigital number, since it uses as much as digits as its factorization.

2205660343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91073.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2205660343 is about 46964.4582956090. The cubic root of 2205660343 is about 1301.7059148852.

The spelling of 2205660343 in words is "two billion, two hundred five million, six hundred sixty thousand, three hundred forty-three".