22442400191 has 2 divisors, whose sum is σ = 22442400192. Its totient is φ = 22442400190.

The previous prime is 22442400187. The next prime is 22442400223. The reversal of 22442400191 is 19100424422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22442400191 - 2² = 22442400187 is a prime.

It is a super-2 number, since 2×22442400191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442400151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221200095 + 11221200096.

It is an arithmetic number, because the mean of its divisors is an integer number (11221200096).

Almost surely, 2^22442400191 is an apocalyptic number.

22442400191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442400191 is an equidigital number, since it uses as much as digits as its factorization.

22442400191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22442400191 in words is "twenty-two billion, four hundred forty-two million, four hundred thousand, one hundred ninety-one".