22224554505240 has 256 divisors, whose sum is σ = 68955459148800. Its totient is φ = 5727251712000.

The previous prime is 22224554505227. The next prime is 22224554505269. The reversal of 22224554505240 is 4250545542222.

It is a junction number, because it is equal to n+sod(n) for n = 22224554505192 and 22224554505201.

It is a congruent number.

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, 474566146 + ... + 474612974.

It is an arithmetic number, because the mean of its divisors is an integer number (269357262300).

Almost surely, 2^{22224554505240} is an apocalyptic number.

22224554505240 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 22224554505240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34477729574400).

22224554505240 is an abundant number, since it is smaller than the sum of its proper divisors (46730904643560).

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

22224554505240 is a wasteful number, since it uses less digits than its factorization.

22224554505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48018 (or 48014 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 42.

The spelling of 22224554505240 in words is "twenty-two trillion, two hundred twenty-four billion, five hundred fifty-four million, five hundred five thousand, two hundred forty".