22125054240 has 288 divisors, whose sum is σ = 79207704576. Its totient is φ = 5613189120.

The previous prime is 22125054167. The next prime is 22125054257. The reversal of 22125054240 is 4245052122.

22125054240 is a `hidden beast` number, since 22 + 12 + 50 + 542 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6522945 + ... + 6526335.

It is an arithmetic number, because the mean of its divisors is an integer number (275026752).

Almost surely, 2^22125054240 is an apocalyptic number.

22125054240 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 22125054240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39603852288).

22125054240 is an abundant number, since it is smaller than the sum of its proper divisors (57082650336).

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

22125054240 is a wasteful number, since it uses less digits than its factorization.

22125054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 22125054240 in words is "twenty-two billion, one hundred twenty-five million, fifty-four thousand, two hundred forty".