22243232232 has 192 divisors, whose sum is σ = 68920488000. Its totient is φ = 6607367424.

The previous prime is 22243232201. The next prime is 22243232257. The reversal of 22243232232 is 23223234222.

22243232232 is a `hidden beast` number, since 2 + 2 + 2 + 432 + 3 + 223 + 2 = 666.

It is a super-2 number, since 2×22243232232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22243232196 and 22243232205.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2356819 + ... + 2366237.

It is an arithmetic number, because the mean of its divisors is an integer number (358960875).

Almost surely, 2^22243232232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22243232232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34460244000).

22243232232 is an abundant number, since it is smaller than the sum of its proper divisors (46677255768).

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

22243232232 is a wasteful number, since it uses less digits than its factorization.

22243232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505 (or 9466 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

Adding to 22243232232 its reverse (23223234222), we get a palindrome (45466466454).

The spelling of 22243232232 in words is "twenty-two billion, two hundred forty-three million, two hundred thirty-two thousand, two hundred thirty-two".