22330081 has 2 divisors, whose sum is σ = 22330082. Its totient is φ = 22330080.

The previous prime is 22330069. The next prime is 22330093. The reversal of 22330081 is 18003322.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22330069) and next prime (22330093).

It can be written as a sum of positive squares in only one way, i.e., 15673681 + 6656400 = 3959^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330081 - 2⁹ = 22329569 is a prime.

It is a super-2 number, since 2×22330081² = 997265034933122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22330981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165040 + 11165041.

It is an arithmetic number, because the mean of its divisors is an integer number (11165041).

Almost surely, 2^22330081 is an apocalyptic number.

It is an amenable number.

22330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22330081 is an equidigital number, since it uses as much as digits as its factorization.

22330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22330081 is about 4725.4715108653. The cubic root of 22330081 is about 281.5983459207.

The spelling of 22330081 in words is "twenty-two million, three hundred thirty thousand, eighty-one".