322121413 has 2 divisors, whose sum is σ = 322121414. Its totient is φ = 322121412.

The previous prime is 322121381. The next prime is 322121431. The reversal of 322121413 is 314121223.

It is a happy number.

Together with next prime (322121431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187607809 + 134513604 = 13697^2 + 11598^2 .

It is a cyclic number.

It is not a de Polignac number, because 322121413 - 2⁵ = 322121381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322122413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161060706 + 161060707.

It is an arithmetic number, because the mean of its divisors is an integer number (161060707).

Almost surely, 2^322121413 is an apocalyptic number.

It is an amenable number.

322121413 is a deficient number, since it is larger than the sum of its proper divisors (1).

322121413 is an equidigital number, since it uses as much as digits as its factorization.

322121413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 322121413 is about 17947.7411670661. The cubic root of 322121413 is about 685.4985363309.

Adding to 322121413 its reverse (314121223), we get a palindrome (636242636).

The spelling of 322121413 in words is "three hundred twenty-two million, one hundred twenty-one thousand, four hundred thirteen".