1022773 has 2 divisors, whose sum is σ = 1022774. Its totient is φ = 1022772.

The previous prime is 1022761. The next prime is 1022797. The reversal of 1022773 is 3772201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 18769 = 1002^2 + 137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511386 + 511387.

It is an arithmetic number, because the mean of its divisors is an integer number (511387).

2^1022773 is an apocalyptic number.

It is an amenable number.

1022773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022773 is an equidigital number, since it uses as much as digits as its factorization.

1022773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 1022773 is about 1011.3224016109. The cubic root of 1022773 is about 100.7534094863.

Adding to 1022773 its reverse (3772201), we get a palindrome (4794974).

The spelling of 1022773 in words is "one million, twenty-two thousand, seven hundred seventy-three".