22021845047 has 2 divisors, whose sum is σ = 22021845048. Its totient is φ = 22021845046.

The previous prime is 22021845023. The next prime is 22021845059. The reversal of 22021845047 is 74054812022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021845047 - 2¹⁸ = 22021582903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021844998 and 22021845016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021845077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010922523 + 11010922524.

It is an arithmetic number, because the mean of its divisors is an integer number (11010922524).

Almost surely, 2^22021845047 is an apocalyptic number.

22021845047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021845047 is an equidigital number, since it uses as much as digits as its factorization.

22021845047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 22021845047 in words is "twenty-two billion, twenty-one million, eight hundred forty-five thousand, forty-seven".