997322 has 8 divisors (see below), whose sum is σ = 1584036. Its totient is φ = 469312.

The previous prime is 997319. The next prime is 997327. The reversal of 997322 is 223799.

It can be written as a sum of positive squares in 2 ways, for example, as 900601 + 96721 = 949^2 + 311^2 .

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

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (997327) 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 3 ways as a sum of consecutive naturals, for example, 14633 + ... + 14700.

2⁹⁹⁷³²² is an apocalyptic number.

997322 is a deficient number, since it is larger than the sum of its proper divisors (586714).

997322 is a wasteful number, since it uses less digits than its factorization.

997322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29352.

The product of its digits is 6804, while the sum is 32.

The square root of 997322 is about 998.6601023371. The cubic root of 997322 is about 99.9106535292.

The spelling of 997322 in words is "nine hundred ninety-seven thousand, three hundred twenty-two".