22022220011012 has 18 divisors (see below), whose sum is σ = 41731455377178. Its totient is φ = 10164101543232.

The previous prime is 22022220010991. The next prime is 22022220011047. The reversal of 22022220011012 is 21011002222022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 627099274816 + 21395120736196 = 791896^2 + 4625486^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16288623593 + ... + 16288624944.

It is an arithmetic number, because the mean of its divisors is an integer number (2318414187621).

Almost surely, 2^{22022220011012} is an apocalyptic number.

It is an amenable number.

22022220011012 is a deficient number, since it is larger than the sum of its proper divisors (19709235366166).

22022220011012 is a wasteful number, since it uses less digits than its factorization.

22022220011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32577248567 (or 32577248552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22022220011012 its reverse (21011002222022), we get a palindrome (43033222233034).

The spelling of 22022220011012 in words is "twenty-two trillion, twenty-two billion, two hundred twenty million, eleven thousand, twelve".