22859636780 has 48 divisors (see below), whose sum is σ = 49508659200. Its totient is φ = 8860840128.

The previous prime is 22859636743. The next prime is 22859636783. The reversal of 22859636780 is 8763695822.

It is not an unprimeable number, because it can be changed into a prime (22859636783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4571 + ... + 213869.

It is an arithmetic number, because the mean of its divisors is an integer number (1031430400).

Almost surely, 2^22859636780 is an apocalyptic number.

22859636780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22859636780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24754329600).

22859636780 is an abundant number, since it is smaller than the sum of its proper divisors (26649022420).

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

22859636780 is a wasteful number, since it uses less digits than its factorization.

22859636780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209478 (or 209476 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 22859636780 in words is "twenty-two billion, eight hundred fifty-nine million, six hundred thirty-six thousand, seven hundred eighty".