22205798847 has 12 divisors (see below), whose sum is σ = 32078176624. Its totient is φ = 14802419520.

The previous prime is 22205798833. The next prime is 22205798863. The reversal of 22205798847 is 74889750222.

22205798847 is a `hidden beast` number, since 2 + 2 + 20 + 579 + 8 + 8 + 47 = 666.

It is not a de Polignac number, because 22205798847 - 2⁴ = 22205798831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22205798793 and 22205798802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205798897) 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, 18778 + ... + 211575.

Almost surely, 2^22205798847 is an apocalyptic number.

22205798847 is a deficient number, since it is larger than the sum of its proper divisors (9872377777).

22205798847 is a wasteful number, since it uses less digits than its factorization.

22205798847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241070 (or 241067 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 22205798847 in words is "twenty-two billion, two hundred five million, seven hundred ninety-eight thousand, eight hundred forty-seven".