1022173 has 4 divisors (see below), whose sum is σ = 1028608. Its totient is φ = 1015740.

The previous prime is 1022167. The next prime is 1022179. The reversal of 1022173 is 3712201.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (1022167) and next prime (1022179).

It is a cyclic number.

It is not a de Polignac number, because 1022173 - 2⁵ = 1022141 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 (1022179) 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 in 3 ways as a sum of consecutive naturals, for example, 2973 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (257152).

2^1022173 is an apocalyptic number.

It is an amenable number.

1022173 is a deficient number, since it is larger than the sum of its proper divisors (6435).

1022173 is an equidigital number, since it uses as much as digits as its factorization.

1022173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1022173 is about 1011.0257167847. The cubic root of 1022173 is about 100.7337036243.

Adding to 1022173 its reverse (3712201), we get a palindrome (4734374).

The spelling of 1022173 in words is "one million, twenty-two thousand, one hundred seventy-three".