999322 has 4 divisors (see below), whose sum is σ = 1498986. Its totient is φ = 499660.

The previous prime is 999307. The next prime is 999329. The reversal of 999322 is 223999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 450241 = 741^2 + 671^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (999329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249829 + ... + 249832.

2⁹⁹⁹³²² is an apocalyptic number.

999322 is a deficient number, since it is larger than the sum of its proper divisors (499664).

999322 is a wasteful number, since it uses less digits than its factorization.

999322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499663.

The product of its digits is 8748, while the sum is 34.

The square root of 999322 is about 999.6609425200. The cubic root of 999322 is about 99.9773948905.

The spelling of 999322 in words is "nine hundred ninety-nine thousand, three hundred twenty-two".