22288443320 has 192 divisors, whose sum is σ = 60848612640. Its totient is φ = 7278336000.

The previous prime is 22288443277. The next prime is 22288443323. The reversal of 22288443320 is 2334488222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288443323) 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 47 ways as a sum of consecutive naturals, for example, 2747270 + ... + 2755370.

Almost surely, 2^22288443320 is an apocalyptic number.

22288443320 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 22288443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30424306320).

22288443320 is an abundant number, since it is smaller than the sum of its proper divisors (38560169320).

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

22288443320 is a wasteful number, since it uses less digits than its factorization.

22288443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186 (or 8169 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 22288443320 in words is "twenty-two billion, two hundred eighty-eight million, four hundred forty-three thousand, three hundred twenty".