322247 has 2 divisors, whose sum is σ = 322248. Its totient is φ = 322246.

The previous prime is 322243. The next prime is 322249. The reversal of 322247 is 742223.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 322247 - 2² = 322243 is a prime.

Together with 322249, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322247.

It is not a weakly prime, because it can be changed into another prime (322243) by changing a digit.

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 as a sum of consecutive naturals, namely, 161123 + 161124.

It is an arithmetic number, because the mean of its divisors is an integer number (161124).

2³²²²⁴⁷ is an apocalyptic number.

322247 is a deficient number, since it is larger than the sum of its proper divisors (1).

322247 is an equidigital number, since it uses as much as digits as its factorization.

322247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 20.

The square root of 322247 is about 567.6680367962. The cubic root of 322247 is about 68.5587610942.

The spelling of 322247 in words is "three hundred twenty-two thousand, two hundred forty-seven", and thus it is an iban number.