22303322081 has 2 divisors, whose sum is σ = 22303322082. Its totient is φ = 22303322080.

The previous prime is 22303322053. The next prime is 22303322113. The reversal of 22303322081 is 18022330322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21241605025 + 1061717056 = 145745^2 + 32584^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303322081 - 2³⁴ = 5123452897 is a prime.

It is a super-2 number, since 2×22303322081² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22303322081.

It is not a weakly prime, because it can be changed into another prime (22303322281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151661040 + 11151661041.

It is an arithmetic number, because the mean of its divisors is an integer number (11151661041).

Almost surely, 2^22303322081 is an apocalyptic number.

It is an amenable number.

22303322081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303322081 is an equidigital number, since it uses as much as digits as its factorization.

22303322081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 22303322081 in words is "twenty-two billion, three hundred three million, three hundred twenty-two thousand, eighty-one".