22133252000 has 384 divisors, whose sum is σ = 62383426560. Its totient is φ = 7664025600.

The previous prime is 22133251999. The next prime is 22133252003. The reversal of 22133252000 is 25233122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22133252003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47803769 + ... + 47804231.

It is an arithmetic number, because the mean of its divisors is an integer number (162456840).

Almost surely, 2^22133252000 is an apocalyptic number.

22133252000 is a gapful number since it is divisible by the number (20) 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 22133252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31191713280).

22133252000 is an abundant number, since it is smaller than the sum of its proper divisors (40250174560).

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

22133252000 is a wasteful number, since it uses less digits than its factorization.

22133252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22133252000 its reverse (25233122), we get a palindrome (22158485122).

The spelling of 22133252000 in words is "twenty-two billion, one hundred thirty-three million, two hundred fifty-two thousand".