22354478880 has 192 divisors, whose sum is σ = 74958307200. Its totient is φ = 5583790080.

The previous prime is 22354478879. The next prime is 22354478921. The reversal of 22354478880 is 8887445322.

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, 797910 + ... + 825450.

It is an arithmetic number, because the mean of its divisors is an integer number (390407850).

Almost surely, 2^22354478880 is an apocalyptic number.

22354478880 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 22354478880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37479153600).

22354478880 is an abundant number, since it is smaller than the sum of its proper divisors (52603828320).

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

22354478880 is a wasteful number, since it uses less digits than its factorization.

22354478880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27667 (or 27659 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 22354478880 in words is "twenty-two billion, three hundred fifty-four million, four hundred seventy-eight thousand, eight hundred eighty".