422849533 has 2 divisors, whose sum is σ = 422849534. Its totient is φ = 422849532.

The previous prime is 422849491. The next prime is 422849561. The reversal of 422849533 is 335948224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396089604 + 26759929 = 19902^2 + 5173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422849533 is a prime.

It is equal to p_22487953 and since 422849533 and 22487953 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422841533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211424766 + 211424767.

It is an arithmetic number, because the mean of its divisors is an integer number (211424767).

Almost surely, 2^422849533 is an apocalyptic number.

It is an amenable number.

422849533 is a deficient number, since it is larger than the sum of its proper divisors (1).

422849533 is an equidigital number, since it uses as much as digits as its factorization.

422849533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 422849533 is about 20563.3054979009. The cubic root of 422849533 is about 750.5770569302.

The spelling of 422849533 in words is "four hundred twenty-two million, eight hundred forty-nine thousand, five hundred thirty-three".