22818553912 has 32 divisors (see below), whose sum is σ = 53342075520. Its totient is φ = 8890345440.

The previous prime is 22818553907. The next prime is 22818553921. The reversal of 22818553912 is 21935581822.

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, 18520938 + ... + 18522169.

It is an arithmetic number, because the mean of its divisors is an integer number (1666939860).

Almost surely, 2^22818553912 is an apocalyptic number.

22818553912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22818553912 is an abundant number, since it is smaller than the sum of its proper divisors (30523521608).

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

22818553912 is a wasteful number, since it uses less digits than its factorization.

22818553912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37043131 (or 37043127 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The spelling of 22818553912 in words is "twenty-two billion, eight hundred eighteen million, five hundred fifty-three thousand, nine hundred twelve".