22000202212 has 12 divisors (see below), whose sum is σ = 38522479996. Its totient is φ = 10993779360.

The previous prime is 22000202113. The next prime is 22000202243. The reversal of 22000202212 is 21220200022.

It can be written as a sum of positive squares in 2 ways, for example, as 3511273536 + 18488928676 = 59256^2 + 135974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22000202192 and 22000202201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572603 + ... + 1586530.

Almost surely, 2^22000202212 is an apocalyptic number.

It is an amenable number.

22000202212 is a deficient number, since it is larger than the sum of its proper divisors (16522277784).

22000202212 is a wasteful number, since it uses less digits than its factorization.

22000202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160878 (or 3160876 counting only the distinct ones).

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

Adding to 22000202212 its reverse (21220200022), we get a palindrome (43220402234).

The spelling of 22000202212 in words is "twenty-two billion, two hundred two thousand, two hundred twelve".