22768783328 has 12 divisors (see below), whose sum is σ = 44826042240. Its totient is φ = 11384391648.

The previous prime is 22768783309. The next prime is 22768783357. The reversal of 22768783328 is 82338786722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355762208 + ... + 355762271.

It is an arithmetic number, because the mean of its divisors is an integer number (3735503520).

Almost surely, 2^22768783328 is an apocalyptic number.

It is an amenable number.

22768783328 is a deficient number, since it is larger than the sum of its proper divisors (22057258912).

22768783328 is an equidigital number, since it uses as much as digits as its factorization.

22768783328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711524489 (or 711524481 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The spelling of 22768783328 in words is "twenty-two billion, seven hundred sixty-eight million, seven hundred eighty-three thousand, three hundred twenty-eight".