422422444 has 6 divisors (see below), whose sum is σ = 739239284. Its totient is φ = 211211220.

The previous prime is 422422397. The next prime is 422422453. The reversal of 422422444 is 444224224.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52802802 + ... + 52802809.

Almost surely, 2^422422444 is an apocalyptic number.

It is an amenable number.

422422444 is a deficient number, since it is larger than the sum of its proper divisors (316816840).

422422444 is a wasteful number, since it uses less digits than its factorization.

422422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105605615 (or 105605613 counting only the distinct ones).

The product of its digits is 16384, while the sum is 28.

The square root of 422422444 is about 20552.9181383082. The cubic root of 422422444 is about 750.3242710368.

Adding to 422422444 its reverse (444224224), we get a palindrome (866646668).

The spelling of 422422444 in words is "four hundred twenty-two million, four hundred twenty-two thousand, four hundred forty-four".