244402220191 has 2 divisors, whose sum is σ = 244402220192. Its totient is φ = 244402220190.

The previous prime is 244402220141. The next prime is 244402220273. The reversal of 244402220191 is 191022204442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244402220191 - 2⁹ = 244402219679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244402220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122201110095 + 122201110096.

It is an arithmetic number, because the mean of its divisors is an integer number (122201110096).

Almost surely, 2^244402220191 is an apocalyptic number.

244402220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

244402220191 is an equidigital number, since it uses as much as digits as its factorization.

244402220191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 244402220191 in words is "two hundred forty-four billion, four hundred two million, two hundred twenty thousand, one hundred ninety-one".