21822200484 has 96 divisors (see below), whose sum is σ = 62024288256. Its totient is φ = 5829235200.

The previous prime is 21822200479. The next prime is 21822200509. The reversal of 21822200484 is 48400222812.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165027 + ... + 266229.

It is an arithmetic number, because the mean of its divisors is an integer number (646086336).

Almost surely, 2^21822200484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21822200484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31012144128).

21822200484 is an abundant number, since it is smaller than the sum of its proper divisors (40202087772).

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

21822200484 is a wasteful number, since it uses less digits than its factorization.

21822200484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101385 (or 101383 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The spelling of 21822200484 in words is "twenty-one billion, eight hundred twenty-two million, two hundred thousand, four hundred eighty-four".