20022212212819 has 2 divisors, whose sum is σ = 20022212212820. Its totient is φ = 20022212212818.

The previous prime is 20022212212789. The next prime is 20022212212831. The reversal of 20022212212819 is 91821221222002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022212212819 - 2¹¹ = 20022212210771 is a prime.

It is a super-2 number, since 2×20022212212819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20022212212879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011106106409 + 10011106106410.

It is an arithmetic number, because the mean of its divisors is an integer number (10011106106410).

Almost surely, 2^{20022212212819} is an apocalyptic number.

20022212212819 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022212212819 is an equidigital number, since it uses as much as digits as its factorization.

20022212212819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 20022212212819 in words is "twenty trillion, twenty-two billion, two hundred twelve million, two hundred twelve thousand, eight hundred nineteen".