22244100000 has 288 divisors, whose sum is σ = 74413987200. Its totient is φ = 5815680000.

The previous prime is 22244099909. The next prime is 22244100017. The reversal of 22244100000 is 144222.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 15899301 + ... + 15900699.

It is an arithmetic number, because the mean of its divisors is an integer number (258381900).

Almost surely, 2^22244100000 is an apocalyptic number.

22244100000 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 22244100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37206993600).

22244100000 is an abundant number, since it is smaller than the sum of its proper divisors (52169887200).

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

22244100000 is an equidigital number, since it uses as much as digits as its factorization.

22244100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22244100000 its reverse (144222), we get a palindrome (22244244222).

The spelling of 22244100000 in words is "twenty-two billion, two hundred forty-four million, one hundred thousand".