22204113212 has 24 divisors (see below), whose sum is σ = 39019636992. Its totient is φ = 11055697200.

The previous prime is 22204113209. The next prime is 22204113223. The reversal of 22204113212 is 21231140222.

It is a congruent number.

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, 2044637 + ... + 2055467.

It is an arithmetic number, because the mean of its divisors is an integer number (1625818208).

Almost surely, 2^22204113212 is an apocalyptic number.

It is an amenable number.

22204113212 is a deficient number, since it is larger than the sum of its proper divisors (16815523780).

22204113212 is a wasteful number, since it uses less digits than its factorization.

22204113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929 (or 12927 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22204113212 its reverse (21231140222), we get a palindrome (43435253434).

The spelling of 22204113212 in words is "twenty-two billion, two hundred four million, one hundred thirteen thousand, two hundred twelve".