422500633 has 2 divisors, whose sum is σ = 422500634. Its totient is φ = 422500632.

The previous prime is 422500597. The next prime is 422500667. The reversal of 422500633 is 336005224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393308224 + 29192409 = 19832^2 + 5403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422500633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422500598 and 422500607.

It is not a weakly prime, because it can be changed into another prime (422500693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211250316 + 211250317.

It is an arithmetic number, because the mean of its divisors is an integer number (211250317).

Almost surely, 2^422500633 is an apocalyptic number.

It is an amenable number.

422500633 is a deficient number, since it is larger than the sum of its proper divisors (1).

422500633 is an equidigital number, since it uses as much as digits as its factorization.

422500633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 422500633 is about 20554.8201889484. The cubic root of 422500633 is about 750.3705623627.

Adding to 422500633 its reverse (336005224), we get a palindrome (758505857).

The spelling of 422500633 in words is "four hundred twenty-two million, five hundred thousand, six hundred thirty-three".