2204959805 has 16 divisors (see below), whose sum is σ = 2710977984. Its totient is φ = 1720723200.

The previous prime is 2204959777. The next prime is 2204959819. The reversal of 2204959805 is 5089594022.

It is not a de Polignac number, because 2204959805 - 2²⁴ = 2188182589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171605 + ... + 184005.

It is an arithmetic number, because the mean of its divisors is an integer number (169436124).

Almost surely, 2^2204959805 is an apocalyptic number.

It is an amenable number.

2204959805 is a deficient number, since it is larger than the sum of its proper divisors (506018179).

2204959805 is a wasteful number, since it uses less digits than its factorization.

2204959805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 2204959805 is about 46956.9995314863. Note that the first 3 decimals coincide. The cubic root of 2204959805 is about 1301.5680890378.

Adding to 2204959805 its sum of digits (44), we get a square (2204959849 = 46957²).

The spelling of 2204959805 in words is "two billion, two hundred four million, nine hundred fifty-nine thousand, eight hundred five".