322207121 has 2 divisors, whose sum is σ = 322207122. Its totient is φ = 322207120.

The previous prime is 322207097. The next prime is 322207129. The reversal of 322207121 is 121702223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265038400 + 57168721 = 16280^2 + 7561^2 .

It is a cyclic number.

It is not a de Polignac number, because 322207121 - 2¹⁸ = 321944977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322207093 and 322207102.

It is not a weakly prime, because it can be changed into another prime (322207129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161103560 + 161103561.

It is an arithmetic number, because the mean of its divisors is an integer number (161103561).

Almost surely, 2^322207121 is an apocalyptic number.

It is an amenable number.

322207121 is a deficient number, since it is larger than the sum of its proper divisors (1).

322207121 is an equidigital number, since it uses as much as digits as its factorization.

322207121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 322207121 is about 17950.1287182014. The cubic root of 322207121 is about 685.5593286244.

Adding to 322207121 its reverse (121702223), we get a palindrome (443909344).

The spelling of 322207121 in words is "three hundred twenty-two million, two hundred seven thousand, one hundred twenty-one".