2205564 has 12 divisors (see below), whose sum is σ = 5146344. Its totient is φ = 735184.

The previous prime is 2205551. The next prime is 2205587. The reversal of 2205564 is 4655022.

2205564 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2205564³ = 32186981327053338432, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91887 + ... + 91910.

It is an arithmetic number, because the mean of its divisors is an integer number (428862).

2^2205564 is an apocalyptic number.

It is an amenable number.

2205564 is an abundant number, since it is smaller than the sum of its proper divisors (2940780).

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

2205564 is a wasteful number, since it uses less digits than its factorization.

2205564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183804 (or 183802 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2205564 is about 1485.1141370279. The cubic root of 2205564 is about 130.1686961819.

The spelling of 2205564 in words is "two million, two hundred five thousand, five hundred sixty-four".