222581959680 has 352 divisors, whose sum is σ = 733610344896. Its totient is φ = 57557385216.

The previous prime is 222581959657. The next prime is 222581959697. The reversal of 222581959680 is 86959185222.

It is a self number, because there is not a number n which added to its sum of digits gives 222581959680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259721812 + ... + 259722668.

It is an arithmetic number, because the mean of its divisors is an integer number (2084120298).

Almost surely, 2^222581959680 is an apocalyptic number.

222581959680 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 222581959680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366805172448).

222581959680 is an abundant number, since it is smaller than the sum of its proper divisors (511028385216).

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

222581959680 is a wasteful number, since it uses less digits than its factorization.

222581959680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 222581959680 in words is "two hundred twenty-two billion, five hundred eighty-one million, nine hundred fifty-nine thousand, six hundred eighty".