2223205543 has 4 divisors (see below), whose sum is σ = 2394221368. Its totient is φ = 2052189720.

The previous prime is 2223205541. The next prime is 2223205559. The reversal of 2223205543 is 3455023222.

It is a happy number.

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 2223205543 - 2¹ = 2223205541 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 (2223205541) 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, 85507893 + ... + 85507918.

It is an arithmetic number, because the mean of its divisors is an integer number (598555342).

Almost surely, 2^2223205543 is an apocalyptic number.

2223205543 is a deficient number, since it is larger than the sum of its proper divisors (171015825).

2223205543 is a wasteful number, since it uses less digits than its factorization.

2223205543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171015824.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2223205543 is about 47150.8806174392. The cubic root of 2223205543 is about 1305.1483305411.

Adding to 2223205543 its reverse (3455023222), we get a palindrome (5678228765).

The spelling of 2223205543 in words is "two billion, two hundred twenty-three million, two hundred five thousand, five hundred forty-three".