22257008782 has 8 divisors (see below), whose sum is σ = 34837057296. Its totient is φ = 10644656352.

The previous prime is 22257008773. The next prime is 22257008789. The reversal of 22257008782 is 28780075222.

22257008782 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257008789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241923963 + ... + 241924054.

It is an arithmetic number, because the mean of its divisors is an integer number (4354632162).

Almost surely, 2^22257008782 is an apocalyptic number.

22257008782 is a deficient number, since it is larger than the sum of its proper divisors (12580048514).

22257008782 is a wasteful number, since it uses less digits than its factorization.

22257008782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483848042.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 22257008782 in words is "twenty-two billion, two hundred fifty-seven million, eight thousand, seven hundred eighty-two".