22222202201212 has 12 divisors (see below), whose sum is σ = 41880304148536. Its totient is φ = 10256401015920.

The previous prime is 22222202201189. The next prime is 22222202201261. The reversal of 22222202201212 is 21210220222222.

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, 213675021114 + ... + 213675021217.

Almost surely, 2^{22222202201212} is an apocalyptic number.

It is an amenable number.

22222202201212 is a deficient number, since it is larger than the sum of its proper divisors (19658101947324).

22222202201212 is a wasteful number, since it uses less digits than its factorization.

22222202201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427350042348 (or 427350042346 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22222202201212 its reverse (21210220222222), we get a palindrome (43432422423434).

The spelling of 22222202201212 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred two million, two hundred one thousand, two hundred twelve".