1022044109 has 2 divisors, whose sum is σ = 1022044110. Its totient is φ = 1022044108.

The previous prime is 1022044099. The next prime is 1022044147. The reversal of 1022044109 is 9014402201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933119209 + 88924900 = 30547^2 + 9430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022044109 - 2²⁴ = 1005266893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022044159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511022054 + 511022055.

It is an arithmetic number, because the mean of its divisors is an integer number (511022055).

Almost surely, 2^1022044109 is an apocalyptic number.

It is an amenable number.

1022044109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022044109 is an equidigital number, since it uses as much as digits as its factorization.

1022044109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1022044109 is about 31969.4245960105. The cubic root of 1022044109 is about 1007.2946943775.

The spelling of 1022044109 in words is "one billion, twenty-two million, forty-four thousand, one hundred nine".