22772789918 has 8 divisors (see below), whose sum is σ = 34266943512. Its totient is φ = 11350475416.

The previous prime is 22772789911. The next prime is 22772789927. The reversal of 22772789918 is 81998727722.

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 (22772789911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17958980 + ... + 17960247.

It is an arithmetic number, because the mean of its divisors is an integer number (4283367939).

Almost surely, 2^22772789918 is an apocalyptic number.

22772789918 is a deficient number, since it is larger than the sum of its proper divisors (11494153594).

22772789918 is a wasteful number, since it uses less digits than its factorization.

22772789918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35919546.

The product of its digits is 14224896, while the sum is 62.

The spelling of 22772789918 in words is "twenty-two billion, seven hundred seventy-two million, seven hundred eighty-nine thousand, nine hundred eighteen".