22110022212 has 24 divisors (see below), whose sum is σ = 51961207200. Its totient is φ = 7316985216.

The previous prime is 22110022189. The next prime is 22110022229. The reversal of 22110022212 is 21222001122.

It is a junction number, because it is equal to n+sod(n) for n = 22110022191 and 22110022200.

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, 6626037 + ... + 6629372.

It is an arithmetic number, because the mean of its divisors is an integer number (2165050300).

Almost surely, 2^22110022212 is an apocalyptic number.

It is an amenable number.

22110022212 is an abundant number, since it is smaller than the sum of its proper divisors (29851184988).

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

22110022212 is a wasteful number, since it uses less digits than its factorization.

22110022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255555 (or 13255553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22110022212 its reverse (21222001122), we get a palindrome (43332023334).

The spelling of 22110022212 in words is "twenty-two billion, one hundred ten million, twenty-two thousand, two hundred twelve".