444700226156281 has 2 divisors, whose sum is σ = 444700226156282. Its totient is φ = 444700226156280.

The previous prime is 444700226156279. The next prime is 444700226156311. The reversal of 444700226156281 is 182651622007444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375232735355625 + 69467490800656 = 19370925^2 + 8334716^2 .

It is a cyclic number.

It is not a de Polignac number, because 444700226156281 - 2¹ = 444700226156279 is a prime.

It is a super-2 number, since 2×444700226156281² (a number of 30 digits) contains 22 as substring.

Together with 444700226156279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (444700226156231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222350113078140 + 222350113078141.

It is an arithmetic number, because the mean of its divisors is an integer number (222350113078141).

Almost surely, 2^{444700226156281} is an apocalyptic number.

It is an amenable number.

444700226156281 is a deficient number, since it is larger than the sum of its proper divisors (1).

444700226156281 is an equidigital number, since it uses as much as digits as its factorization.

444700226156281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 444700226156281 in words is "four hundred forty-four trillion, seven hundred billion, two hundred twenty-six million, one hundred fifty-six thousand, two hundred eighty-one".