422334251 has 2 divisors, whose sum is σ = 422334252. Its totient is φ = 422334250.

The previous prime is 422334229. The next prime is 422334277. The reversal of 422334251 is 152433224.

It is an a-pointer prime, because the next prime (422334277) can be obtained adding 422334251 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422334251 - 2²² = 418139947 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422334251.

It is not a weakly prime, because it can be changed into another prime (422334551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211167125 + 211167126.

It is an arithmetic number, because the mean of its divisors is an integer number (211167126).

Almost surely, 2^422334251 is an apocalyptic number.

422334251 is a deficient number, since it is larger than the sum of its proper divisors (1).

422334251 is an equidigital number, since it uses as much as digits as its factorization.

422334251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 422334251 is about 20550.7725158934. The cubic root of 422334251 is about 750.2720500472.

Adding to 422334251 its reverse (152433224), we get a palindrome (574767475).

The spelling of 422334251 in words is "four hundred twenty-two million, three hundred thirty-four thousand, two hundred fifty-one".