2205821312 has 32 divisors (see below), whose sum is σ = 4396740600. Its totient is φ = 1102325760.

The previous prime is 2205821309. The next prime is 2205821327. The reversal of 2205821312 is 2131285022.

It is a tau number, because it is divible by the number of its divisors (32).

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, 337112 + ... + 343592.

Almost surely, 2^2205821312 is an apocalyptic number.

It is an amenable number.

2205821312 is a deficient number, since it is larger than the sum of its proper divisors (2190919288).

2205821312 is an equidigital number, since it uses as much as digits as its factorization.

2205821312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154 (or 9142 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2205821312 is about 46966.1719964487. The cubic root of 2205821312 is about 1301.7375802627.

The spelling of 2205821312 in words is "two billion, two hundred five million, eight hundred twenty-one thousand, three hundred twelve".