22115332000 has 96 divisors (see below), whose sum is σ = 54596977344. Its totient is φ = 8803872000.

The previous prime is 22115331967. The next prime is 22115332009. The reversal of 22115332000 is 23351122.

It is not an unprimeable number, because it can be changed into a prime (22115332009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830899 + ... + 857101.

It is an arithmetic number, because the mean of its divisors is an integer number (568718514).

Almost surely, 2^22115332000 is an apocalyptic number.

22115332000 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 22115332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27298488672).

22115332000 is an abundant number, since it is smaller than the sum of its proper divisors (32481645344).

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

22115332000 is a wasteful number, since it uses less digits than its factorization.

22115332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26439 (or 26421 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 22115332000 its reverse (23351122), we get a palindrome (22138683122).

The spelling of 22115332000 in words is "twenty-two billion, one hundred fifteen million, three hundred thirty-two thousand".