22206061800 has 576 divisors, whose sum is σ = 83617148160. Its totient is φ = 5246208000.

The previous prime is 22206061751. The next prime is 22206061877. The reversal of 22206061800 is 816060222.

22206061800 is a `hidden beast` number, since 22 + 20 + 6 + 0 + 618 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 67087635 + ... + 67087965.

It is an arithmetic number, because the mean of its divisors is an integer number (145168660).

Almost surely, 2^22206061800 is an apocalyptic number.

22206061800 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 22206061800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41808574080).

22206061800 is an abundant number, since it is smaller than the sum of its proper divisors (61411086360).

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

22206061800 is a wasteful number, since it uses less digits than its factorization.

22206061800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 22206061800 in words is "twenty-two billion, two hundred six million, sixty-one thousand, eight hundred".