1022783 has 4 divisors (see below), whose sum is σ = 1055808. Its totient is φ = 989760.

The previous prime is 1022773. The next prime is 1022797. The reversal of 1022783 is 3872201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022783 - 2⁶ = 1022719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16466 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (263952).

2^1022783 is an apocalyptic number.

1022783 is a deficient number, since it is larger than the sum of its proper divisors (33025).

1022783 is an equidigital number, since it uses as much as digits as its factorization.

1022783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33024.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1022783 is about 1011.3273456206. The cubic root of 1022783 is about 100.7537378520.

Adding to 1022783 its reverse (3872201), we get a palindrome (4894984).

The spelling of 1022783 in words is "one million, twenty-two thousand, seven hundred eighty-three".