22286967281 has 2 divisors, whose sum is σ = 22286967282. Its totient is φ = 22286967280.

The previous prime is 22286967163. The next prime is 22286967289. The reversal of 22286967281 is 18276968222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19490672881 + 2796294400 = 139609^2 + 52880^2 .

It is a cyclic number.

It is not a de Polignac number, because 22286967281 - 2²² = 22282772977 is a prime.

It is a super-2 number, since 2×22286967281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22286967289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11143483640 + 11143483641.

It is an arithmetic number, because the mean of its divisors is an integer number (11143483641).

Almost surely, 2^22286967281 is an apocalyptic number.

It is an amenable number.

22286967281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22286967281 is an equidigital number, since it uses as much as digits as its factorization.

22286967281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The spelling of 22286967281 in words is "twenty-two billion, two hundred eighty-six million, nine hundred sixty-seven thousand, two hundred eighty-one".