22220110212 has 48 divisors (see below), whose sum is σ = 52999591680. Its totient is φ = 7243628832.

The previous prime is 22220110201. The next prime is 22220110223. The reversal of 22220110212 is 21201102222.

It is an interprime number because it is at equal distance from previous prime (22220110201) and next prime (22220110223).

It is a junction number, because it is equal to n+sod(n) for n = 22220110191 and 22220110200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12343 + ... + 211169.

It is an arithmetic number, because the mean of its divisors is an integer number (1104158160).

Almost surely, 2^22220110212 is an apocalyptic number.

It is an amenable number.

22220110212 is an abundant number, since it is smaller than the sum of its proper divisors (30779481468).

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

22220110212 is a wasteful number, since it uses less digits than its factorization.

22220110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199040 (or 199038 counting only the distinct ones).

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

Adding to 22220110212 its reverse (21201102222), we get a palindrome (43421212434).

The spelling of 22220110212 in words is "twenty-two billion, two hundred twenty million, one hundred ten thousand, two hundred twelve".