2205884845 has 16 divisors (see below), whose sum is σ = 2667673008. Its totient is φ = 1751016960.

The previous prime is 2205884843. The next prime is 2205884903. The reversal of 2205884845 is 5484885022.

2205884845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 865006921 + 1340877924 = 29411^2 + 36618^2 .

It is not a de Polignac number, because 2205884845 - 2¹ = 2205884843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2205884795 and 2205884804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205884843) 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, 388225 + ... + 393865.

It is an arithmetic number, because the mean of its divisors is an integer number (166729563).

Almost surely, 2^2205884845 is an apocalyptic number.

It is an amenable number.

2205884845 is a deficient number, since it is larger than the sum of its proper divisors (461788163).

2205884845 is a wasteful number, since it uses less digits than its factorization.

2205884845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240.

The product of its (nonzero) digits is 819200, while the sum is 46.

The square root of 2205884845 is about 46966.8483613708. The cubic root of 2205884845 is about 1301.7500778751.

The spelling of 2205884845 in words is "two billion, two hundred five million, eight hundred eighty-four thousand, eight hundred forty-five".