22522181212 has 12 divisors (see below), whose sum is σ = 39489181816. Its totient is φ = 11239557840.

The previous prime is 22522181177. The next prime is 22522181219. The reversal of 22522181212 is 21218122522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522181219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5380839 + ... + 5385022.

Almost surely, 2^22522181212 is an apocalyptic number.

It is an amenable number.

22522181212 is a deficient number, since it is larger than the sum of its proper divisors (16967000604).

22522181212 is a wasteful number, since it uses less digits than its factorization.

22522181212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766388 (or 10766386 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The spelling of 22522181212 in words is "twenty-two billion, five hundred twenty-two million, one hundred eighty-one thousand, two hundred twelve".