2205998477 has 16 divisors (see below), whose sum is σ = 2407401600. Its totient is φ = 2013439680.

The previous prime is 2205998453. The next prime is 2205998519. The reversal of 2205998477 is 7748995022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205998477 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205998437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264227 + ... + 272447.

It is an arithmetic number, because the mean of its divisors is an integer number (150462600).

Almost surely, 2^2205998477 is an apocalyptic number.

It is an amenable number.

2205998477 is a deficient number, since it is larger than the sum of its proper divisors (201403123).

2205998477 is a wasteful number, since it uses less digits than its factorization.

2205998477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 2205998477 is about 46968.0580501259. The cubic root of 2205998477 is about 1301.7724298919.

The spelling of 2205998477 in words is "two billion, two hundred five million, nine hundred ninety-eight thousand, four hundred seventy-seven".