1022822 has 16 divisors (see below), whose sum is σ = 1652400. Its totient is φ = 473088.

The previous prime is 1022821. The next prime is 1022837. The reversal of 1022822 is 2282201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1022822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022821) 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 7 ways as a sum of consecutive naturals, for example, 2054 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (103275).

2^1022822 is an apocalyptic number.

1022822 is a deficient number, since it is larger than the sum of its proper divisors (629578).

1022822 is a wasteful number, since it uses less digits than its factorization.

1022822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1022822 is about 1011.3466270275. The cubic root of 1022822 is about 100.7550184579.

The spelling of 1022822 in words is "one million, twenty-two thousand, eight hundred twenty-two".