2205521012 has 48 divisors (see below), whose sum is σ = 4054095360. Its totient is φ = 1048724352.

The previous prime is 2205520997. The next prime is 2205521057. The reversal of 2205521012 is 2101255022.

It is a happy 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, 3756983 + ... + 3757569.

It is an arithmetic number, because the mean of its divisors is an integer number (84460320).

Almost surely, 2^2205521012 is an apocalyptic number.

It is an amenable number.

2205521012 is a deficient number, since it is larger than the sum of its proper divisors (1848574348).

2205521012 is a wasteful number, since it uses less digits than its factorization.

2205521012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2205521012 is about 46962.9749057702. The cubic root of 2205521012 is about 1301.6785048314.

Adding to 2205521012 its reverse (2101255022), we get a palindrome (4306776034).

The spelling of 2205521012 in words is "two billion, two hundred five million, five hundred twenty-one thousand, twelve".