422423302244 has 24 divisors (see below), whose sum is σ = 739945221120. Its totient is φ = 211010483936.

The previous prime is 422423302241. The next prime is 422423302253. The reversal of 422423302244 is 442203324224.

It is a self number, because there is not a number n which added to its sum of digits gives 422423302244.

It is not an unprimeable number, because it can be changed into a prime (422423302241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20163527 + ... + 20184465.

It is an arithmetic number, because the mean of its divisors is an integer number (30831050880).

Almost surely, 2^422423302244 is an apocalyptic number.

It is an amenable number.

422423302244 is a deficient number, since it is larger than the sum of its proper divisors (317521918876).

422423302244 is a wasteful number, since it uses less digits than its factorization.

422423302244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25507 (or 25505 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 422423302244 its reverse (442203324224), we get a palindrome (864626626468).

The spelling of 422423302244 in words is "four hundred twenty-two billion, four hundred twenty-three million, three hundred two thousand, two hundred forty-four".