1022443859 has 2 divisors, whose sum is σ = 1022443860. Its totient is φ = 1022443858.

The previous prime is 1022443831. The next prime is 1022443861. The reversal of 1022443859 is 9583442201.

1022443859 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 is a cyclic number.

It is not a de Polignac number, because 1022443859 - 2²⁸ = 754008403 is a prime.

Together with 1022443861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1022443879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511221929 + 511221930.

It is an arithmetic number, because the mean of its divisors is an integer number (511221930).

Almost surely, 2^1022443859 is an apocalyptic number.

1022443859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022443859 is an equidigital number, since it uses as much as digits as its factorization.

1022443859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1022443859 is about 31975.6760522745. The cubic root of 1022443859 is about 1007.4260042899.

The spelling of 1022443859 in words is "one billion, twenty-two million, four hundred forty-three thousand, eight hundred fifty-nine".