16022081 has 2 divisors, whose sum is σ = 16022082. Its totient is φ = 16022080.

The previous prime is 16022063. The next prime is 16022093. The reversal of 16022081 is 18022061.

16022081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 7612081 = 2900^2 + 2759^2 .

It is an emirp because it is prime and its reverse (18022061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16022081 is a prime.

It is a super-2 number, since 2×16022081² = 513414159141122, which contains 22 as substring.

It is equal to p_1032446 and since 16022081 and 1032446 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16022051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8011040 + 8011041.

It is an arithmetic number, because the mean of its divisors is an integer number (8011041).

Almost surely, 2^16022081 is an apocalyptic number.

It is an amenable number.

16022081 is a deficient number, since it is larger than the sum of its proper divisors (1).

16022081 is an equidigital number, since it uses as much as digits as its factorization.

16022081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 16022081 is about 4002.7591733703. The cubic root of 16022081 is about 252.1000746814.

Subtracting from 16022081 its sum of digits (20), we obtain a palindrome (16022061).

The spelling of 16022081 in words is "sixteen million, twenty-two thousand, eighty-one".