22022681280 has 224 divisors, whose sum is σ = 74290245120. Its totient is φ = 5508218880.

The previous prime is 22022681207. The next prime is 22022681299. The reversal of 22022681280 is 8218622022.

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, 5073351 + ... + 5077689.

It is an arithmetic number, because the mean of its divisors is an integer number (331652880).

Almost surely, 2^22022681280 is an apocalyptic number.

22022681280 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 22022681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37145122560).

22022681280 is an abundant number, since it is smaller than the sum of its proper divisors (52267563840).

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

22022681280 is a wasteful number, since it uses less digits than its factorization.

22022681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 22022681280 in words is "twenty-two billion, twenty-two million, six hundred eighty-one thousand, two hundred eighty".