22153430112 has 96 divisors (see below), whose sum is σ = 63582019200. Its totient is φ = 6698065920.

The previous prime is 22153430077. The next prime is 22153430129. The reversal of 22153430112 is 21103435122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450783 + ... + 497505.

It is an arithmetic number, because the mean of its divisors is an integer number (662312700).

Almost surely, 2^22153430112 is an apocalyptic number.

22153430112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22153430112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31791009600).

22153430112 is an abundant number, since it is smaller than the sum of its proper divisors (41428589088).

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

22153430112 is a wasteful number, since it uses less digits than its factorization.

22153430112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47196 (or 47188 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22153430112 its reverse (21103435122), we get a palindrome (43256865234).

The spelling of 22153430112 in words is "twenty-two billion, one hundred fifty-three million, four hundred thirty thousand, one hundred twelve".