1028222 has 16 divisors (see below), whose sum is σ = 1687392. Its totient is φ = 467040.

The previous prime is 1028221. The next prime is 1028231. The reversal of 1028222 is 2228201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028221) 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, 1568 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (105462).

2^1028222 is an apocalyptic number.

1028222 is a deficient number, since it is larger than the sum of its proper divisors (659170).

1028222 is a wasteful number, since it uses less digits than its factorization.

1028222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

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

The square root of 1028222 is about 1014.0128204318. The cubic root of 1028222 is about 100.9320197384.

The spelling of 1028222 in words is "one million, twenty-eight thousand, two hundred twenty-two".