244120022191 has 2 divisors, whose sum is σ = 244120022192. Its totient is φ = 244120022190.

The previous prime is 244120022147. The next prime is 244120022233. The reversal of 244120022191 is 191220021442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244120022191 - 2²³ = 244111633583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244120022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122060011095 + 122060011096.

It is an arithmetic number, because the mean of its divisors is an integer number (122060011096).

Almost surely, 2^244120022191 is an apocalyptic number.

244120022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

244120022191 is an equidigital number, since it uses as much as digits as its factorization.

244120022191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 244120022191 in words is "two hundred forty-four billion, one hundred twenty million, twenty-two thousand, one hundred ninety-one".