2205015516 has 144 divisors (see below), whose sum is σ = 6244842240. Its totient is φ = 650384640.

The previous prime is 2205015503. The next prime is 2205015517. The reversal of 2205015516 is 6155105022.

It is a self number, because there is not a number n which added to its sum of digits gives 2205015516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205015517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2398905 + ... + 2399823.

It is an arithmetic number, because the mean of its divisors is an integer number (43366960).

Almost surely, 2^2205015516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205015516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3122421120).

2205015516 is an abundant number, since it is smaller than the sum of its proper divisors (4039826724).

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

2205015516 is a wasteful number, since it uses less digits than its factorization.

2205015516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2205015516 is about 46957.5927406847. The cubic root of 2205015516 is about 1301.5790508475.

The spelling of 2205015516 in words is "two billion, two hundred five million, fifteen thousand, five hundred sixteen".