22120002022 has 4 divisors (see below), whose sum is σ = 33180003036. Its totient is φ = 11060001010.

The previous prime is 22120002017. The next prime is 22120002049. The reversal of 22120002022 is 22020002122.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22120001993 and 22120002011.

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, 5530000504 + ... + 5530000507.

It is an arithmetic number, because the mean of its divisors is an integer number (8295000759).

Almost surely, 2^22120002022 is an apocalyptic number.

22120002022 is a deficient number, since it is larger than the sum of its proper divisors (11060001014).

22120002022 is a wasteful number, since it uses less digits than its factorization.

22120002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060001013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22120002022 its reverse (22020002122), we get a palindrome (44140004144).

The spelling of 22120002022 in words is "twenty-two billion, one hundred twenty million, two thousand, twenty-two".