22111548852 has 24 divisors (see below), whose sum is σ = 51659193376. Its totient is φ = 7361147808.

The previous prime is 22111548803. The next prime is 22111548859. The reversal of 22111548852 is 25884511122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111548852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111548859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161223 + ... + 1180110.

Almost surely, 2^22111548852 is an apocalyptic number.

It is an amenable number.

22111548852 is an abundant number, since it is smaller than the sum of its proper divisors (29547644524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111548852 is a wasteful number, since it uses less digits than its factorization.

22111548852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342127 (or 2342125 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The spelling of 22111548852 in words is "twenty-two billion, one hundred eleven million, five hundred forty-eight thousand, eight hundred fifty-two".