21422444304059 has 2 divisors, whose sum is σ = 21422444304060. Its totient is φ = 21422444304058.

The previous prime is 21422444304031. The next prime is 21422444304101. The reversal of 21422444304059 is 95040344422412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21422444304059 is a prime.

It is a super-2 number, since 2×21422444304059² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21422444304259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10711222152029 + 10711222152030.

It is an arithmetic number, because the mean of its divisors is an integer number (10711222152030).

Almost surely, 2^{21422444304059} is an apocalyptic number.

21422444304059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21422444304059 is an equidigital number, since it uses as much as digits as its factorization.

21422444304059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 21422444304059 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred forty-four million, three hundred four thousand, fifty-nine".