22012002022 has 4 divisors (see below), whose sum is σ = 33018003036. Its totient is φ = 11006001010.

The previous prime is 22012002013. The next prime is 22012002031. The reversal of 22012002022 is 22020021022.

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

It is an interprime number because it is at equal distance from previous prime (22012002013) and next prime (22012002031).

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 = 22012001993 and 22012002011.

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, 5503000504 + ... + 5503000507.

It is an arithmetic number, because the mean of its divisors is an integer number (8254500759).

Almost surely, 2^22012002022 is an apocalyptic number.

22012002022 is a deficient number, since it is larger than the sum of its proper divisors (11006001014).

22012002022 is a wasteful number, since it uses less digits than its factorization.

22012002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006001013.

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

Adding to 22012002022 its reverse (22020021022), we get a palindrome (44032023044).

The spelling of 22012002022 in words is "twenty-two billion, twelve million, two thousand, twenty-two".