22442020422 has 16 divisors (see below), whose sum is σ = 45328438512. Its totient is φ = 7406607200.

The previous prime is 22442020421. The next prime is 22442020427. The reversal of 22442020422 is 22402024422.

It is a junction number, because it is equal to n+sod(n) for n = 22442020392 and 22442020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442020421) 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, 18515913 + ... + 18517124.

It is an arithmetic number, because the mean of its divisors is an integer number (2833027407).

Almost surely, 2^22442020422 is an apocalyptic number.

22442020422 is an abundant number, since it is smaller than the sum of its proper divisors (22886418090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22442020422 is a wasteful number, since it uses less digits than its factorization.

22442020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033143.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22442020422 its reverse (22402024422), we get a palindrome (44844044844).

The spelling of 22442020422 in words is "twenty-two billion, four hundred forty-two million, twenty thousand, four hundred twenty-two".