4422244573781 has 2 divisors, whose sum is σ = 4422244573782. Its totient is φ = 4422244573780.

The previous prime is 4422244573759. The next prime is 4422244573787. The reversal of 4422244573781 is 1873754422244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3612318372100 + 809926201681 = 1900610^2 + 899959^2 .

It is a cyclic number.

It is not a de Polignac number, because 4422244573781 - 2⁶ = 4422244573717 is a prime.

It is a super-2 number, since 2×4422244573781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4422244573787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211122286890 + 2211122286891.

It is an arithmetic number, because the mean of its divisors is an integer number (2211122286891).

Almost surely, 2^{4422244573781} is an apocalyptic number.

It is an amenable number.

4422244573781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422244573781 is an equidigital number, since it uses as much as digits as its factorization.

4422244573781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12042240, while the sum is 53.

The spelling of 4422244573781 in words is "four trillion, four hundred twenty-two billion, two hundred forty-four million, five hundred seventy-three thousand, seven hundred eighty-one".