2205543 has 4 divisors (see below), whose sum is σ = 2940728. Its totient is φ = 1470360.

The previous prime is 2205527. The next prime is 2205547. The reversal of 2205543 is 3455022.

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

It is not a de Polignac number, because 2205543 - 2⁴ = 2205527 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205547) 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, 367588 + ... + 367593.

It is an arithmetic number, because the mean of its divisors is an integer number (735182).

2^2205543 is an apocalyptic number.

2205543 is a deficient number, since it is larger than the sum of its proper divisors (735185).

2205543 is an equidigital number, since it uses as much as digits as its factorization.

2205543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735184.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2205543 is about 1485.1070668474. The cubic root of 2205543 is about 130.1682830523.

The spelling of 2205543 in words is "two million, two hundred five thousand, five hundred forty-three".