1022686081 has 2 divisors, whose sum is σ = 1022686082. Its totient is φ = 1022686080.

The previous prime is 1022686037. The next prime is 1022686087. The reversal of 1022686081 is 1806862201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853165681 + 169520400 = 29209^2 + 13020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022686081 - 2⁹ = 1022685569 is a prime.

It is a super-2 number, since 2×1022686081² = 2091773640542277122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022686087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511343040 + 511343041.

It is an arithmetic number, because the mean of its divisors is an integer number (511343041).

Almost surely, 2^1022686081 is an apocalyptic number.

It is an amenable number.

1022686081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022686081 is an equidigital number, since it uses as much as digits as its factorization.

1022686081 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 square root of 1022686081 is about 31979.4634257675. The cubic root of 1022686081 is about 1007.5055527405.

The spelling of 1022686081 in words is "one billion, twenty-two million, six hundred eighty-six thousand, eighty-one".