22241220240 has 160 divisors (see below), whose sum is σ = 70681476096. Its totient is φ = 5782371840.

The previous prime is 22241220167. The next prime is 22241220251. The reversal of 22241220240 is 4202214222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6675375 + ... + 6678705.

Almost surely, 2^22241220240 is an apocalyptic number.

22241220240 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 22241220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35340738048).

22241220240 is an abundant number, since it is smaller than the sum of its proper divisors (48440255856).

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

22241220240 is a wasteful number, since it uses less digits than its factorization.

22241220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22241220240 its reverse (4202214222), we get a palindrome (26443434462).

The spelling of 22241220240 in words is "twenty-two billion, two hundred forty-one million, two hundred twenty thousand, two hundred forty".