1005322 has 8 divisors (see below), whose sum is σ = 1512900. Its totient is φ = 501024.

The previous prime is 1005317. The next prime is 1005331. The reversal of 1005322 is 2235001.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 301401 = 839^2 + 549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204 + ... + 1432.

2^1005322 is an apocalyptic number.

1005322 is a deficient number, since it is larger than the sum of its proper divisors (507578).

1005322 is a wasteful number, since it uses less digits than its factorization.

1005322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1005322 is about 1002.6574689294. The cubic root of 1005322 is about 100.1770862196.

It can be divided in two parts, 1005 and 322, that multiplied together give a triangular number (323610 = T₈₀₄).

The spelling of 1005322 in words is "one million, five thousand, three hundred twenty-two".