1022840660819 has 2 divisors, whose sum is σ = 1022840660820. Its totient is φ = 1022840660818.

The previous prime is 1022840660813. The next prime is 1022840660911. The reversal of 1022840660819 is 9180660482201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022840660819 - 2²⁰ = 1022839612243 is a prime.

It is a super-2 number, since 2×1022840660819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022840660813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511420330409 + 511420330410.

It is an arithmetic number, because the mean of its divisors is an integer number (511420330410).

Almost surely, 2^{1022840660819} is an apocalyptic number.

1022840660819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022840660819 is an equidigital number, since it uses as much as digits as its factorization.

1022840660819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1022840660819 in words is "one trillion, twenty-two billion, eight hundred forty million, six hundred sixty thousand, eight hundred nineteen".