22022222202012 has 24 divisors (see below), whose sum is σ = 51385262182912. Its totient is φ = 7340729727600.

The previous prime is 22022222201981. The next prime is 22022222202049. The reversal of 22022222202012 is 21020222222022.

It is a self number, because there is not a number n which added to its sum of digits gives 22022222202012.

It is a congruent number.

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, 12820587 + ... + 14436477.

Almost surely, 2^{22022222202012} is an apocalyptic number.

It is an amenable number.

22022222202012 is an abundant number, since it is smaller than the sum of its proper divisors (29363039980900).

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

22022222202012 is a wasteful number, since it uses less digits than its factorization.

22022222202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751609 (or 2751607 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22022222202012 its reverse (21020222222022), we get a palindrome (43042444424034).

The spelling of 22022222202012 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, twelve".