22866821120 has 320 divisors, whose sum is σ = 65531743200. Its totient is φ = 7549747200.

The previous prime is 22866821039. The next prime is 22866821143. The reversal of 22866821120 is 2112866822.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374865890 + ... + 374865950.

Almost surely, 2^22866821120 is an apocalyptic number.

22866821120 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 22866821120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32765871600).

22866821120 is an abundant number, since it is smaller than the sum of its proper divisors (42664922080).

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

22866821120 is an frugal number, since it uses more digits than its factorization.

22866821120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 22866821120 in words is "twenty-two billion, eight hundred sixty-six million, eight hundred twenty-one thousand, one hundred twenty".