22120201222 has 12 divisors (see below), whose sum is σ = 38597494140. Its totient is φ = 9480086196.

The previous prime is 22120201183. The next prime is 22120201231. The reversal of 22120201222 is 22210202122.

It is a junction number, because it is equal to n+sod(n) for n = 22120201196 and 22120201205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112858072 + ... + 112858267.

It is an arithmetic number, because the mean of its divisors is an integer number (3216457845).

Almost surely, 2^22120201222 is an apocalyptic number.

22120201222 is a deficient number, since it is larger than the sum of its proper divisors (16477292918).

22120201222 is a wasteful number, since it uses less digits than its factorization.

22120201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225716355 (or 225716348 counting only the distinct ones).

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

Adding to 22120201222 its reverse (22210202122), we get a palindrome (44330403344).

The spelling of 22120201222 in words is "twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred twenty-two".