244422156191 has 2 divisors, whose sum is σ = 244422156192. Its totient is φ = 244422156190.

The previous prime is 244422156169. The next prime is 244422156257. The reversal of 244422156191 is 191651224442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244422156191 - 2²⁶ = 244355047327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244422153191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122211078095 + 122211078096.

It is an arithmetic number, because the mean of its divisors is an integer number (122211078096).

Almost surely, 2^244422156191 is an apocalyptic number.

244422156191 is a deficient number, since it is larger than the sum of its proper divisors (1).

244422156191 is an equidigital number, since it uses as much as digits as its factorization.

244422156191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The spelling of 244422156191 in words is "two hundred forty-four billion, four hundred twenty-two million, one hundred fifty-six thousand, one hundred ninety-one".