1022793 has 4 divisors (see below), whose sum is σ = 1363728. Its totient is φ = 681860.

The previous prime is 1022773. The next prime is 1022797. The reversal of 1022793 is 3972201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022793 - 2⁵ = 1022761 is a prime.

It is a super-2 number, since 2×1022793² = 2092211041698, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022797) 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, 170463 + ... + 170468.

It is an arithmetic number, because the mean of its divisors is an integer number (340932).

2^1022793 is an apocalyptic number.

It is an amenable number.

1022793 is a deficient number, since it is larger than the sum of its proper divisors (340935).

1022793 is an equidigital number, since it uses as much as digits as its factorization.

1022793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340934.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1022793 is about 1011.3322896061. The cubic root of 1022793 is about 100.7540662156.

Adding to 1022793 its reverse (3972201), we get a palindrome (4994994).

The spelling of 1022793 in words is "one million, twenty-two thousand, seven hundred ninety-three".