22241454720 has 256 divisors, whose sum is σ = 74967552000. Its totient is φ = 5593190400.

The previous prime is 22241454709. The next prime is 22241454749. The reversal of 22241454720 is 2745414222.

It is a happy number.

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, 8717445 + ... + 8719995.

It is an arithmetic number, because the mean of its divisors is an integer number (292842000).

Almost surely, 2^22241454720 is an apocalyptic number.

22241454720 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 22241454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37483776000).

22241454720 is an abundant number, since it is smaller than the sum of its proper divisors (52726097280).

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

22241454720 is a wasteful number, since it uses less digits than its factorization.

22241454720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

Adding to 22241454720 its reverse (2745414222), we get a palindrome (24986868942).

The spelling of 22241454720 in words is "twenty-two billion, two hundred forty-one million, four hundred fifty-four thousand, seven hundred twenty".