322120229 has 2 divisors, whose sum is σ = 322120230. Its totient is φ = 322120228.

The previous prime is 322120217. The next prime is 322120283. The reversal of 322120229 is 922021223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301960129 + 20160100 = 17377^2 + 4490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322120229 is a prime.

It is a super-2 number, since 2×322120229² = 207522883862024882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322120529) 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 as a sum of consecutive naturals, namely, 161060114 + 161060115.

It is an arithmetic number, because the mean of its divisors is an integer number (161060115).

Almost surely, 2^322120229 is an apocalyptic number.

It is an amenable number.

322120229 is a deficient number, since it is larger than the sum of its proper divisors (1).

322120229 is an equidigital number, since it uses as much as digits as its factorization.

322120229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 322120229 is about 17947.7081823836. The cubic root of 322120229 is about 685.4976964495.

The spelling of 322120229 in words is "three hundred twenty-two million, one hundred twenty thousand, two hundred twenty-nine".