22020442020422 has 4 divisors (see below), whose sum is σ = 33030663030636. Its totient is φ = 11010221010210.

The previous prime is 22020442020391. The next prime is 22020442020431. The reversal of 22020442020422 is 22402024402022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22020442020391 and 22020442020400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505110505104 + ... + 5505110505107.

It is an arithmetic number, because the mean of its divisors is an integer number (8257665757659).

Almost surely, 2^{22020442020422} is an apocalyptic number.

22020442020422 is a deficient number, since it is larger than the sum of its proper divisors (11010221010214).

22020442020422 is a wasteful number, since it uses less digits than its factorization.

22020442020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010221010213.

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

Adding to 22020442020422 its reverse (22402024402022), we get a palindrome (44422466422444).

The spelling of 22020442020422 in words is "twenty-two trillion, twenty billion, four hundred forty-two million, twenty thousand, four hundred twenty-two".