22155113200 has 60 divisors (see below), whose sum is σ = 58066549128. Its totient is φ = 8056403200.

The previous prime is 22155113179. The next prime is 22155113203. The reversal of 22155113200 is 231155122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155113203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2513227 + ... + 2522026.

Almost surely, 2^22155113200 is an apocalyptic number.

22155113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22155113200 is an abundant number, since it is smaller than the sum of its proper divisors (35911435928).

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

22155113200 is a wasteful number, since it uses less digits than its factorization.

22155113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035282 (or 5035271 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 22155113200 its reverse (231155122), we get a palindrome (22386268322).

The spelling of 22155113200 in words is "twenty-two billion, one hundred fifty-five million, one hundred thirteen thousand, two hundred".