2204543045 has 4 divisors (see below), whose sum is σ = 2645451660. Its totient is φ = 1763634432.

The previous prime is 2204543027. The next prime is 2204543101. The reversal of 2204543045 is 5403454022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5403454022 = 2 ⋅2701727011.

It can be written as a sum of positive squares in 2 ways, for example, as 1057095169 + 1147447876 = 32513^2 + 33874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204543045 - 2²² = 2200348741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2204542999 and 2204543017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220454300 + ... + 220454309.

It is an arithmetic number, because the mean of its divisors is an integer number (661362915).

Almost surely, 2^2204543045 is an apocalyptic number.

It is an amenable number.

2204543045 is a deficient number, since it is larger than the sum of its proper divisors (440908615).

2204543045 is an equidigital number, since it uses as much as digits as its factorization.

2204543045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440908614.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2204543045 is about 46952.5616447069. The cubic root of 2204543045 is about 1301.4860806349.

Adding to 2204543045 its reverse (5403454022), we get a palindrome (7607997067).

The spelling of 2204543045 in words is "two billion, two hundred four million, five hundred forty-three thousand, forty-five".