422406433 has 2 divisors, whose sum is σ = 422406434. Its totient is φ = 422406432.

The previous prime is 422406427. The next prime is 422406451. The reversal of 422406433 is 334604224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382867489 + 39538944 = 19567^2 + 6288^2 .

It is a cyclic number.

It is not a de Polignac number, because 422406433 - 2²⁵ = 388852001 is a prime.

It is not a weakly prime, because it can be changed into another prime (422406473) 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, 211203216 + 211203217.

It is an arithmetic number, because the mean of its divisors is an integer number (211203217).

Almost surely, 2^422406433 is an apocalyptic number.

It is an amenable number.

422406433 is a deficient number, since it is larger than the sum of its proper divisors (1).

422406433 is an equidigital number, since it uses as much as digits as its factorization.

422406433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 422406433 is about 20552.5286278842. The cubic root of 422406433 is about 750.3147911162.

The spelling of 422406433 in words is "four hundred twenty-two million, four hundred six thousand, four hundred thirty-three".