422442240424 has 16 divisors (see below), whose sum is σ = 792856526400. Its totient is φ = 211013833392.

The previous prime is 422442240421. The next prime is 422442240427. The reversal of 422442240424 is 424042244224.

It is an interprime number because it is at equal distance from previous prime (422442240421) and next prime (422442240427).

It is a self number, because there is not a number n which added to its sum of digits gives 422442240424.

It is not an unprimeable number, because it can be changed into a prime (422442240421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25902192 + ... + 25918495.

It is an arithmetic number, because the mean of its divisors is an integer number (49553532900).

Almost surely, 2^422442240424 is an apocalyptic number.

It is an amenable number.

422442240424 is a deficient number, since it is larger than the sum of its proper divisors (370414285976).

422442240424 is a wasteful number, since it uses less digits than its factorization.

422442240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51821712 (or 51821708 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 422442240424 its reverse (424042244224), we get a palindrome (846484484648).

The spelling of 422442240424 in words is "four hundred twenty-two billion, four hundred forty-two million, two hundred forty thousand, four hundred twenty-four".