2205018522 has 72 divisors (see below), whose sum is σ = 5566107456. Its totient is φ = 629035344.

The previous prime is 2205018511. The next prime is 2205018527. The reversal of 2205018522 is 2258105022.

It is not an unprimeable number, because it can be changed into a prime (2205018527) 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 35 ways as a sum of consecutive naturals, for example, 727903 + ... + 730925.

It is an arithmetic number, because the mean of its divisors is an integer number (77307048).

Almost surely, 2^2205018522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205018522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783053728).

2205018522 is an abundant number, since it is smaller than the sum of its proper divisors (3361088934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205018522 is a wasteful number, since it uses less digits than its factorization.

2205018522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 2205018522 is about 46957.6247482770. The cubic root of 2205018522 is about 1301.5796423089.

The spelling of 2205018522 in words is "two billion, two hundred five million, eighteen thousand, five hundred twenty-two".