22478789876 has 72 divisors (see below), whose sum is σ = 42480829440. Its totient is φ = 10403640000.

The previous prime is 22478789873. The next prime is 22478789881. The reversal of 22478789876 is 67898787422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22478789873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11520701 + ... + 11522651.

It is an arithmetic number, because the mean of its divisors is an integer number (590011520).

Almost surely, 2^22478789876 is an apocalyptic number.

It is an amenable number.

22478789876 is a deficient number, since it is larger than the sum of its proper divisors (20002039564).

22478789876 is a wasteful number, since it uses less digits than its factorization.

22478789876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2152 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 68.

The spelling of 22478789876 in words is "twenty-two billion, four hundred seventy-eight million, seven hundred eighty-nine thousand, eight hundred seventy-six".