200444224261 has 2 divisors, whose sum is σ = 200444224262. Its totient is φ = 200444224260.

The previous prime is 200444224231. The next prime is 200444224349. The reversal of 200444224261 is 162422444002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148263502500 + 52180721761 = 385050^2 + 228431^2 .

It is a cyclic number.

It is not a de Polignac number, because 200444224261 - 2¹¹ = 200444222213 is a prime.

It is a super-2 number, since 2×200444224261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200444224231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100222112130 + 100222112131.

It is an arithmetic number, because the mean of its divisors is an integer number (100222112131).

Almost surely, 2^200444224261 is an apocalyptic number.

It is an amenable number.

200444224261 is a deficient number, since it is larger than the sum of its proper divisors (1).

200444224261 is an equidigital number, since it uses as much as digits as its factorization.

200444224261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 200444224261 its reverse (162422444002), we get a palindrome (362866668263).

The spelling of 200444224261 in words is "two hundred billion, four hundred forty-four million, two hundred twenty-four thousand, two hundred sixty-one".