22352500240 has 40 divisors (see below), whose sum is σ = 59393787840. Its totient is φ = 7663714176.

The previous prime is 22352500193. The next prime is 22352500243. The reversal of 22352500240 is 4200525322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22352500243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19957030 + ... + 19958149.

It is an arithmetic number, because the mean of its divisors is an integer number (1484844696).

Almost surely, 2^22352500240 is an apocalyptic number.

22352500240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22352500240 is an abundant number, since it is smaller than the sum of its proper divisors (37041287600).

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

22352500240 is a wasteful number, since it uses less digits than its factorization.

22352500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39915199 (or 39915193 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 22352500240 in words is "twenty-two billion, three hundred fifty-two million, five hundred thousand, two hundred forty".