22303244320 has 96 divisors (see below), whose sum is σ = 60482419200. Its totient is φ = 7613346816.

The previous prime is 22303244303. The next prime is 22303244323. The reversal of 22303244320 is 2344230322.

It is a super-2 number, since 2×22303244320² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22303244323) 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, 213001 + ... + 299959.

It is an arithmetic number, because the mean of its divisors is an integer number (630025200).

Almost surely, 2^22303244320 is an apocalyptic number.

22303244320 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 22303244320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30241209600).

22303244320 is an abundant number, since it is smaller than the sum of its proper divisors (38179174880).

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

22303244320 is a wasteful number, since it uses less digits than its factorization.

22303244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87210 (or 87202 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22303244320 its reverse (2344230322), we get a palindrome (24647474642).

The spelling of 22303244320 in words is "twenty-two billion, three hundred three million, two hundred forty-four thousand, three hundred twenty".