22281730847 has 2 divisors, whose sum is σ = 22281730848. Its totient is φ = 22281730846.

The previous prime is 22281730843. The next prime is 22281730853. The reversal of 22281730847 is 74803718222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22281730847 - 2² = 22281730843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22281730798 and 22281730807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22281730843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11140865423 + 11140865424.

It is an arithmetic number, because the mean of its divisors is an integer number (11140865424).

Almost surely, 2^22281730847 is an apocalyptic number.

22281730847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22281730847 is an equidigital number, since it uses as much as digits as its factorization.

22281730847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 22281730847 in words is "twenty-two billion, two hundred eighty-one million, seven hundred thirty thousand, eight hundred forty-seven".