422240422 has 8 divisors (see below), whose sum is σ = 640991736. Its totient is φ = 208576512.

The previous prime is 422240419. The next prime is 422240431. The reversal of 422240422 is 224042224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422240393 and 422240402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271643 + ... + 1271974.

It is an arithmetic number, because the mean of its divisors is an integer number (80123967).

Almost surely, 2^422240422 is an apocalyptic number.

422240422 is a deficient number, since it is larger than the sum of its proper divisors (218751314).

422240422 is a wasteful number, since it uses less digits than its factorization.

422240422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543702.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422240422 is about 20548.4895308633. The cubic root of 422240422 is about 750.2164838773.

Adding to 422240422 its reverse (224042224), we get a palindrome (646282646).

It can be divided in two parts, 4222 and 40422, that added together give a palindrome (44644).

The spelling of 422240422 in words is "four hundred twenty-two million, two hundred forty thousand, four hundred twenty-two".