22325081 has 2 divisors, whose sum is σ = 22325082. Its totient is φ = 22325080.

The previous prime is 22325077. The next prime is 22325089. The reversal of 22325081 is 18052322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 1713481 = 4540^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 22325081 - 2² = 22325077 is a prime.

It is a super-3 number, since 3×22325081³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22325089) 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, 11162540 + 11162541.

It is an arithmetic number, because the mean of its divisors is an integer number (11162541).

Almost surely, 2^22325081 is an apocalyptic number.

It is an amenable number.

22325081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22325081 is an equidigital number, since it uses as much as digits as its factorization.

22325081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 22325081 is about 4724.9424335118. The cubic root of 22325081 is about 281.5773264891.

The spelling of 22325081 in words is "twenty-two million, three hundred twenty-five thousand, eighty-one".