22003021022212 has 6 divisors (see below), whose sum is σ = 38505286788878. Its totient is φ = 11001510511104.

The previous prime is 22003021022159. The next prime is 22003021022219. The reversal of 22003021022212 is 21222012030022.

It can be written as a sum of positive squares in only one way, i.e., 13220961412096 + 8782059610116 = 3636064^2 + 2963454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22003021022212.

It is not an unprimeable number, because it can be changed into a prime (22003021022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750377627773 + ... + 2750377627780.

Almost surely, 2^{22003021022212} is an apocalyptic number.

It is an amenable number.

22003021022212 is a deficient number, since it is larger than the sum of its proper divisors (16502265766666).

22003021022212 is a wasteful number, since it uses less digits than its factorization.

22003021022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500755255557 (or 5500755255555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22003021022212 its reverse (21222012030022), we get a palindrome (43225033052234).

The spelling of 22003021022212 in words is "twenty-two trillion, three billion, twenty-one million, twenty-two thousand, two hundred twelve".