22443110281 has 2 divisors, whose sum is σ = 22443110282. Its totient is φ = 22443110280.

The previous prime is 22443110257. The next prime is 22443110317. The reversal of 22443110281 is 18201134422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21803475600 + 639634681 = 147660^2 + 25291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22443110281 is a prime.

It is a super-2 number, since 2×22443110281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22443110231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221555140 + 11221555141.

It is an arithmetic number, because the mean of its divisors is an integer number (11221555141).

Almost surely, 2^22443110281 is an apocalyptic number.

It is an amenable number.

22443110281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443110281 is an equidigital number, since it uses as much as digits as its factorization.

22443110281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 22443110281 in words is "twenty-two billion, four hundred forty-three million, one hundred ten thousand, two hundred eighty-one".