322818121 has 2 divisors, whose sum is σ = 322818122. Its totient is φ = 322818120.

The previous prime is 322818107. The next prime is 322818149. The reversal of 322818121 is 121818223.

It is an a-pointer prime, because the next prime (322818149) can be obtained adding 322818121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238270096 + 84548025 = 15436^2 + 9195^2 .

It is a cyclic number.

It is not a de Polignac number, because 322818121 - 2¹⁷ = 322687049 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 322818121.

It is not a weakly prime, because it can be changed into another prime (322813121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161409060 + 161409061.

It is an arithmetic number, because the mean of its divisors is an integer number (161409061).

Almost surely, 2^322818121 is an apocalyptic number.

It is an amenable number.

322818121 is a deficient number, since it is larger than the sum of its proper divisors (1).

322818121 is an equidigital number, since it uses as much as digits as its factorization.

322818121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 322818121 is about 17967.1400339620. The cubic root of 322818121 is about 685.9923960828.

The spelling of 322818121 in words is "three hundred twenty-two million, eight hundred eighteen thousand, one hundred twenty-one".