2205653556 has 24 divisors (see below), whose sum is σ = 5181069600. Its totient is φ = 730282912.

The previous prime is 2205653543. The next prime is 2205653561. The reversal of 2205653556 is 6553565022.

2205653556 is digitally balanced in base 2 and base 4, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 615006 + ... + 618581.

It is an arithmetic number, because the mean of its divisors is an integer number (215877900).

Almost surely, 2^2205653556 is an apocalyptic number.

It is an amenable number.

2205653556 is an abundant number, since it is smaller than the sum of its proper divisors (2975416044).

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

2205653556 is a wasteful number, since it uses less digits than its factorization.

2205653556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233743 (or 1233741 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 2205653556 is about 46964.3860387848. The cubic root of 2205653556 is about 1301.7045797314.

The spelling of 2205653556 in words is "two billion, two hundred five million, six hundred fifty-three thousand, five hundred fifty-six".