22635225212 has 12 divisors (see below), whose sum is σ = 41941740960. Its totient is φ = 10651870656.

The previous prime is 22635225209. The next prime is 22635225247. The reversal of 22635225212 is 21252253622.

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, 166435412 + ... + 166435547.

It is an arithmetic number, because the mean of its divisors is an integer number (3495145080).

Almost surely, 2^22635225212 is an apocalyptic number.

It is an amenable number.

22635225212 is a deficient number, since it is larger than the sum of its proper divisors (19306515748).

22635225212 is a wasteful number, since it uses less digits than its factorization.

22635225212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332870980 (or 332870978 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 22635225212 its reverse (21252253622), we get a palindrome (43887478834).

The spelling of 22635225212 in words is "twenty-two billion, six hundred thirty-five million, two hundred twenty-five thousand, two hundred twelve".