1022768 has 20 divisors (see below), whose sum is σ = 2005080. Its totient is φ = 505344.

The previous prime is 1022761. The next prime is 1022773. The reversal of 1022768 is 8672201.

It is not an unprimeable number, because it can be changed into a prime (1022761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (100254).

2^1022768 is an apocalyptic number.

It is an amenable number.

1022768 is a deficient number, since it is larger than the sum of its proper divisors (982312).

1022768 is an equidigital number, since it uses as much as digits as its factorization.

1022768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1022768 is about 1011.3199295970. The cubic root of 1022768 is about 100.7532453026.

Adding to 1022768 its reverse (8672201), we get a palindrome (9694969).

The spelling of 1022768 in words is "one million, twenty-two thousand, seven hundred sixty-eight".