2204544545 has 48 divisors (see below), whose sum is σ = 3182720400. Its totient is φ = 1460519424.

The previous prime is 2204544497. The next prime is 2204544569. The reversal of 2204544545 is 5454454022.

It can be written as a sum of positive squares in 8 ways, for example, as 2307361 + 2202237184 = 1519^2 + 46928^2 .

It is not a de Polignac number, because 2204544545 - 2⁶ = 2204544481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1422431 + ... + 1423979.

It is an arithmetic number, because the mean of its divisors is an integer number (66306675).

Almost surely, 2^2204544545 is an apocalyptic number.

It is an amenable number.

2204544545 is a deficient number, since it is larger than the sum of its proper divisors (978175855).

2204544545 is a wasteful number, since it uses less digits than its factorization.

2204544545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 2204544545 is about 46952.5776182735. The cubic root of 2204544545 is about 1301.4863758176.

Adding to 2204544545 its reverse (5454454022), we get a palindrome (7658998567).

The spelling of 2204544545 in words is "two billion, two hundred four million, five hundred forty-four thousand, five hundred forty-five".