422420400022 has 16 divisors (see below), whose sum is σ = 638738784000. Its totient is φ = 209513886120.

The previous prime is 422420400001. The next prime is 422420400091. The reversal of 422420400022 is 220004024224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422420399966 and 422420400002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471522 + ... + 1734997.

It is an arithmetic number, because the mean of its divisors is an integer number (39921174000).

Almost surely, 2^422420400022 is an apocalyptic number.

422420400022 is a deficient number, since it is larger than the sum of its proper divisors (216318383978).

422420400022 is a wasteful number, since it uses less digits than its factorization.

422420400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207051.

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

Adding to 422420400022 its reverse (220004024224), we get a palindrome (642424424246).

The spelling of 422420400022 in words is "four hundred twenty-two billion, four hundred twenty million, four hundred thousand, twenty-two".