2205917798 has 8 divisors (see below), whose sum is σ = 3781573392. Its totient is φ = 945393336.

The previous prime is 2205917797. The next prime is 2205917801. The reversal of 2205917798 is 8977195022.

2205917798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205917797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78782765 + ... + 78782792.

It is an arithmetic number, because the mean of its divisors is an integer number (472696674).

Almost surely, 2^2205917798 is an apocalyptic number.

2205917798 is a deficient number, since it is larger than the sum of its proper divisors (1575655594).

2205917798 is a wasteful number, since it uses less digits than its factorization.

2205917798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157565566.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 2205917798 is about 46967.1991713366. The cubic root of 2205917798 is about 1301.7565599839.

The spelling of 2205917798 in words is "two billion, two hundred five million, nine hundred seventeen thousand, seven hundred ninety-eight".