1022443866 has 48 divisors (see below), whose sum is σ = 2285528544. Its totient is φ = 330093792.

The previous prime is 1022443861. The next prime is 1022443879. The reversal of 1022443866 is 6683442201.

1022443866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1022443866.

It is not an unprimeable number, because it can be changed into a prime (1022443861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147801 + ... + 154563.

It is an arithmetic number, because the mean of its divisors is an integer number (47615178).

Almost surely, 2^1022443866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022443866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142764272).

1022443866 is an abundant number, since it is smaller than the sum of its proper divisors (1263084678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022443866 is a wasteful number, since it uses less digits than its factorization.

1022443866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1022443866 is about 31975.6761617327. The cubic root of 1022443866 is about 1007.4260065890.

The spelling of 1022443866 in words is "one billion, twenty-two million, four hundred forty-three thousand, eight hundred sixty-six".