2225521205 has 32 divisors (see below), whose sum is σ = 2941263360. Its totient is φ = 1610426880.

The previous prime is 2225521183. The next prime is 2225521213. The reversal of 2225521205 is 5021255222.

It is not a de Polignac number, because 2225521205 - 2²⁰ = 2224472629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176987 + ... + 189143.

It is an arithmetic number, because the mean of its divisors is an integer number (91914480).

Almost surely, 2^2225521205 is an apocalyptic number.

It is an amenable number.

2225521205 is a deficient number, since it is larger than the sum of its proper divisors (715742155).

2225521205 is a wasteful number, since it uses less digits than its factorization.

2225521205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2225521205 is about 47175.4300987283. The cubic root of 2225521205 is about 1305.6013151495.

Adding to 2225521205 its reverse (5021255222), we get a palindrome (7246776427).

The spelling of 2225521205 in words is "two billion, two hundred twenty-five million, five hundred twenty-one thousand, two hundred five".