22681818241 has 2 divisors, whose sum is σ = 22681818242. Its totient is φ = 22681818240.

The previous prime is 22681818193. The next prime is 22681818283. The reversal of 22681818241 is 14281818622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12209366016 + 10472452225 = 110496^2 + 102335^2 .

It is a cyclic number.

It is not a de Polignac number, because 22681818241 - 2⁷ = 22681818113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22681818041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11340909120 + 11340909121.

It is an arithmetic number, because the mean of its divisors is an integer number (11340909121).

Almost surely, 2^22681818241 is an apocalyptic number.

It is an amenable number.

22681818241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22681818241 is an equidigital number, since it uses as much as digits as its factorization.

22681818241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 43.

The spelling of 22681818241 in words is "twenty-two billion, six hundred eighty-one million, eight hundred eighteen thousand, two hundred forty-one".