2205144674 has 12 divisors (see below), whose sum is σ = 3490971174. Its totient is φ = 1044541872.

The previous prime is 2205144661. The next prime is 2205144679. The reversal of 2205144674 is 4764415022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1512665449 + 692479225 = 38893^2 + 26315^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2205144679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1526387 + ... + 1527830.

Almost surely, 2^2205144674 is an apocalyptic number.

2205144674 is a deficient number, since it is larger than the sum of its proper divisors (1285826500).

2205144674 is a wasteful number, since it uses less digits than its factorization.

2205144674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054257 (or 3054238 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 2205144674 is about 46958.9679826974. The cubic root of 2205144674 is about 1301.6044635280.

Adding to 2205144674 its reverse (4764415022), we get a palindrome (6969559696).

The spelling of 2205144674 in words is "two billion, two hundred five million, one hundred forty-four thousand, six hundred seventy-four".