22210220212 has 12 divisors (see below), whose sum is σ = 39359884480. Its totient is φ = 10964538936.

The previous prime is 22210220209. The next prime is 22210220233. The reversal of 22210220212 is 21202201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35142438 + ... + 35143069.

Almost surely, 2^22210220212 is an apocalyptic number.

It is an amenable number.

22210220212 is a deficient number, since it is larger than the sum of its proper divisors (17149664268).

22210220212 is a wasteful number, since it uses less digits than its factorization.

22210220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70285590 (or 70285588 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22210220212 its reverse (21202201222), we get a palindrome (43412421434).

The spelling of 22210220212 in words is "twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".