22242022220042 has 16 divisors (see below), whose sum is σ = 33399374162112. Its totient is φ = 11108898282240.

The previous prime is 22242022219997. The next prime is 22242022220051. The reversal of 22242022220042 is 24002222024222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22242022219993 and 22242022220020.

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, 62006867 + ... + 62364537.

It is an arithmetic number, because the mean of its divisors is an integer number (2087460885132).

Almost surely, 2^{22242022220042} is an apocalyptic number.

22242022220042 is a deficient number, since it is larger than the sum of its proper divisors (11157351942070).

22242022220042 is a wasteful number, since it uses less digits than its factorization.

22242022220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391453.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22242022220042 its reverse (24002222024222), we get a palindrome (46244244244264).

The spelling of 22242022220042 in words is "twenty-two trillion, two hundred forty-two billion, twenty-two million, two hundred twenty thousand, forty-two".