422346121 has 2 divisors, whose sum is σ = 422346122. Its totient is φ = 422346120.

The previous prime is 422346109. The next prime is 422346137. The reversal of 422346121 is 121643224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399200400 + 23145721 = 19980^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 422346121 - 2¹⁷ = 422215049 is a prime.

It is a super-3 number, since 3×422346121³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (422346161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211173060 + 211173061.

It is an arithmetic number, because the mean of its divisors is an integer number (211173061).

Almost surely, 2^422346121 is an apocalyptic number.

It is an amenable number.

422346121 is a deficient number, since it is larger than the sum of its proper divisors (1).

422346121 is an equidigital number, since it uses as much as digits as its factorization.

422346121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 422346121 is about 20551.0613107937. The cubic root of 422346121 is about 750.2790789552.

Adding to 422346121 its reverse (121643224), we get a palindrome (543989345).

The spelling of 422346121 in words is "four hundred twenty-two million, three hundred forty-six thousand, one hundred twenty-one".