22073220240 has 320 divisors, whose sum is σ = 75467241216. Its totient is φ = 5313724416.

The previous prime is 22073220217. The next prime is 22073220259. The reversal of 22073220240 is 4202237022.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22073220240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11019079 + ... + 11021081.

Almost surely, 2^22073220240 is an apocalyptic number.

22073220240 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 22073220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37733620608).

22073220240 is an abundant number, since it is smaller than the sum of its proper divisors (53394020976).

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

22073220240 is a wasteful number, since it uses less digits than its factorization.

22073220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

Adding to 22073220240 its reverse (4202237022), we get a palindrome (26275457262).

The spelling of 22073220240 in words is "twenty-two billion, seventy-three million, two hundred twenty thousand, two hundred forty".