22241440320 has 112 divisors (see below), whose sum is σ = 77036298048. Its totient is φ = 5391861760.

The previous prime is 22241440283. The next prime is 22241440321. The reversal of 22241440320 is 2304414222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22241440321) 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, 1042539 + ... + 1063658.

Almost surely, 2^22241440320 is an apocalyptic number.

22241440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22241440320 is an abundant number, since it is smaller than the sum of its proper divisors (54794857728).

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

22241440320 is a wasteful number, since it uses less digits than its factorization.

22241440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106228 (or 2106218 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22241440320 its reverse (2304414222), we get a palindrome (24545854542).

The spelling of 22241440320 in words is "twenty-two billion, two hundred forty-one million, four hundred forty thousand, three hundred twenty".