2205664600 has 48 divisors (see below), whose sum is σ = 5305017600. Its totient is φ = 851840640.

The previous prime is 2205664597. The next prime is 2205664613. The reversal of 2205664600 is 64665022.

2205664600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184344 + ... + 195943.

It is an arithmetic number, because the mean of its divisors is an integer number (110521200).

Almost surely, 2^2205664600 is an apocalyptic number.

2205664600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205664600 is an abundant number, since it is smaller than the sum of its proper divisors (3099353000).

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

2205664600 is a wasteful number, since it uses less digits than its factorization.

2205664600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380332 (or 380323 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2205664600 is about 46964.5036170936. The cubic root of 2205664600 is about 1301.7067523303.

The spelling of 2205664600 in words is "two billion, two hundred five million, six hundred sixty-four thousand, six hundred".