1022646002089 has 2 divisors, whose sum is σ = 1022646002090. Its totient is φ = 1022646002088.

The previous prime is 1022646002051. The next prime is 1022646002177. The reversal of 1022646002089 is 9802006462201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962983054489 + 59662947600 = 981317^2 + 244260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022646002089 - 2¹⁷ = 1022645871017 is a prime.

It is a super-2 number, since 2×1022646002089² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022646002489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511323001044 + 511323001045.

It is an arithmetic number, because the mean of its divisors is an integer number (511323001045).

Almost surely, 2^{1022646002089} is an apocalyptic number.

It is an amenable number.

1022646002089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022646002089 is an equidigital number, since it uses as much as digits as its factorization.

1022646002089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1022646002089 in words is "one trillion, twenty-two billion, six hundred forty-six million, two thousand, eighty-nine".