1028223 has 24 divisors (see below), whose sum is σ = 1788800. Its totient is φ = 555984.

The previous prime is 1028221. The next prime is 1028231. The reversal of 1028223 is 3228201.

It is a happy number.

It is not a de Polignac number, because 1028223 - 2¹ = 1028221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1028196 and 1028205.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768 + ... + 1626.

2^1028223 is an apocalyptic number.

1028223 is a deficient number, since it is larger than the sum of its proper divisors (760577).

1028223 is a wasteful number, since it uses less digits than its factorization.

1028223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1028223 is about 1014.0133135221. The cubic root of 1028223 is about 100.9320524590.

The spelling of 1028223 in words is "one million, twenty-eight thousand, two hundred twenty-three".