422388667 has 2 divisors, whose sum is σ = 422388668. Its totient is φ = 422388666.

The previous prime is 422388653. The next prime is 422388697. The reversal of 422388667 is 766883224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422388667 - 2¹¹ = 422386619 is a prime.

It is not a weakly prime, because it can be changed into another prime (422388607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211194333 + 211194334.

It is an arithmetic number, because the mean of its divisors is an integer number (211194334).

Almost surely, 2^422388667 is an apocalyptic number.

422388667 is a deficient number, since it is larger than the sum of its proper divisors (1).

422388667 is an equidigital number, since it uses as much as digits as its factorization.

422388667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The square root of 422388667 is about 20552.0964137482. The cubic root of 422388667 is about 750.3042718008.

It can be divided in two parts, 42238 and 8667, that added together give a palindrome (50905).

The spelling of 422388667 in words is "four hundred twenty-two million, three hundred eighty-eight thousand, six hundred sixty-seven".