2204643405 has 16 divisors (see below), whose sum is σ = 3535159104. Its totient is φ = 1173233280.

The previous prime is 2204643401. The next prime is 2204643421. The reversal of 2204643405 is 5043464022.

It is not a de Polignac number, because 2204643405 - 2² = 2204643401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204643401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153951 + ... + 167660.

It is an arithmetic number, because the mean of its divisors is an integer number (220947444).

Almost surely, 2^2204643405 is an apocalyptic number.

It is an amenable number.

2204643405 is a deficient number, since it is larger than the sum of its proper divisors (1330515699).

2204643405 is a wasteful number, since it uses less digits than its factorization.

2204643405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322076.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2204643405 is about 46953.6303708244. The cubic root of 2204643405 is about 1301.5058300279.

The spelling of 2204643405 in words is "two billion, two hundred four million, six hundred forty-three thousand, four hundred five".