2205540543 has 8 divisors (see below), whose sum is σ = 3113704368. Its totient is φ = 1383868544.

The previous prime is 2205540529. The next prime is 2205540551. The reversal of 2205540543 is 3450455022.

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

It is not a de Polignac number, because 2205540543 - 2⁹ = 2205540031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205540543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205540523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21622896 + ... + 21622997.

It is an arithmetic number, because the mean of its divisors is an integer number (389213046).

Almost surely, 2^2205540543 is an apocalyptic number.

2205540543 is a deficient number, since it is larger than the sum of its proper divisors (908163825).

2205540543 is a wasteful number, since it uses less digits than its factorization.

2205540543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43245913.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2205540543 is about 46963.1828457144. The cubic root of 2205540543 is about 1301.6823471597.

Adding to 2205540543 its reverse (3450455022), we get a palindrome (5655995565).

The spelling of 2205540543 in words is "two billion, two hundred five million, five hundred forty thousand, five hundred forty-three".