22068072081547 has 2 divisors, whose sum is σ = 22068072081548. Its totient is φ = 22068072081546.

The previous prime is 22068072081509. The next prime is 22068072081551. The reversal of 22068072081547 is 74518027086022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22068072081547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22068072081494 and 22068072081503.

It is not a weakly prime, because it can be changed into another prime (22068072081557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11034036040773 + 11034036040774.

It is an arithmetic number, because the mean of its divisors is an integer number (11034036040774).

Almost surely, 2^{22068072081547} is an apocalyptic number.

22068072081547 is a deficient number, since it is larger than the sum of its proper divisors (1).

22068072081547 is an equidigital number, since it uses as much as digits as its factorization.

22068072081547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 22068072081547 in words is "twenty-two trillion, sixty-eight billion, seventy-two million, eighty-one thousand, five hundred forty-seven".