22122210221959 has 2 divisors, whose sum is σ = 22122210221960. Its totient is φ = 22122210221958.

The previous prime is 22122210221927. The next prime is 22122210222023. The reversal of 22122210221959 is 95912201222122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122210221959 - 2⁵ = 22122210221927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122210227959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061105110979 + 11061105110980.

It is an arithmetic number, because the mean of its divisors is an integer number (11061105110980).

Almost surely, 2^{22122210221959} is an apocalyptic number.

22122210221959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122210221959 is an equidigital number, since it uses as much as digits as its factorization.

22122210221959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 22122210221959 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, nine hundred fifty-nine".