2204045545 has 32 divisors (see below), whose sum is σ = 2943247104. Its totient is φ = 1574227200.

The previous prime is 2204045491. The next prime is 2204045551. The reversal of 2204045545 is 5455404022.

It is not a de Polignac number, because 2204045545 - 2¹⁷ = 2203914473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240090 + ... + 249100.

It is an arithmetic number, because the mean of its divisors is an integer number (91976472).

Almost surely, 2^2204045545 is an apocalyptic number.

It is an amenable number.

2204045545 is a deficient number, since it is larger than the sum of its proper divisors (739201559).

2204045545 is a wasteful number, since it uses less digits than its factorization.

2204045545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 2204045545 is about 46947.2634452744. The cubic root of 2204045545 is about 1301.3881709964.

Adding to 2204045545 its reverse (5455404022), we get a palindrome (7659449567).

The spelling of 2204045545 in words is "two billion, two hundred four million, forty-five thousand, five hundred forty-five".