22241440140 has 24 divisors (see below), whose sum is σ = 62276032560. Its totient is φ = 5931050688.

The previous prime is 22241440129. The next prime is 22241440171. The reversal of 22241440140 is 4104414222.

It is a self number, because there is not a number n which added to its sum of digits gives 22241440140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185345275 + ... + 185345394.

It is an arithmetic number, because the mean of its divisors is an integer number (2594834690).

Almost surely, 2^22241440140 is an apocalyptic number.

22241440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22241440140 is an abundant number, since it is smaller than the sum of its proper divisors (40034592420).

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

22241440140 is a wasteful number, since it uses less digits than its factorization.

22241440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370690681 (or 370690679 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22241440140 its reverse (4104414222), we get a palindrome (26345854362).

The spelling of 22241440140 in words is "twenty-two billion, two hundred forty-one million, four hundred forty thousand, one hundred forty".