1022043409 has 2 divisors, whose sum is σ = 1022043410. Its totient is φ = 1022043408.

The previous prime is 1022043329. The next prime is 1022043419. The reversal of 1022043409 is 9043402201.

1022043409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986902225 + 35141184 = 31415^2 + 5928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022043409 - 2²⁷ = 887825681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022043419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511021704 + 511021705.

It is an arithmetic number, because the mean of its divisors is an integer number (511021705).

Almost surely, 2^1022043409 is an apocalyptic number.

It is an amenable number.

1022043409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022043409 is an equidigital number, since it uses as much as digits as its factorization.

1022043409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1022043409 is about 31969.4136480480. The cubic root of 1022043409 is about 1007.2944644114.

The spelling of 1022043409 in words is "one billion, twenty-two million, forty-three thousand, four hundred nine".