1002022 has 16 divisors (see below), whose sum is σ = 1808640. Its totient is φ = 406728.

The previous prime is 1002017. The next prime is 1002049. The reversal of 1002022 is 2202001.

It is a happy number.

1002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1001996 and 1002014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (113040).

2^1002022 is an apocalyptic number.

1002022 is a deficient number, since it is larger than the sum of its proper divisors (806618).

1002022 is a wasteful number, since it uses less digits than its factorization.

1002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1002022 is about 1001.0104894555. The cubic root of 1002022 is about 100.0673546234.

Adding to 1002022 its reverse (2202001), we get a palindrome (3204023).

The spelling of 1002022 in words is "one million, two thousand, twenty-two".