2205605412 has 36 divisors (see below), whose sum is σ = 5583208540. Its totient is φ = 734156352.

The previous prime is 2205605399. The next prime is 2205605419. The reversal of 2205605412 is 2145065022.

2205605412 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 can be written as a sum of positive squares in 2 ways, for example, as 885300516 + 1320304896 = 29754^2 + 36336^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2205605419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17683 + ... + 68730.

Almost surely, 2^2205605412 is an apocalyptic number.

It is an amenable number.

2205605412 is an abundant number, since it is smaller than the sum of its proper divisors (3377603128).

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

2205605412 is a wasteful number, since it uses less digits than its factorization.

2205605412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87132 (or 87127 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2205605412 is about 46963.8734773868. The cubic root of 2205605412 is about 1301.6951086578.

The spelling of 2205605412 in words is "two billion, two hundred five million, six hundred five thousand, four hundred twelve".