222668824840 has 128 divisors (see below), whose sum is σ = 625420051200. Its totient is φ = 69315425280.

The previous prime is 222668824823. The next prime is 222668824849. The reversal of 222668824840 is 48428866222.

222668824840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222668824849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2409406 + ... + 2500114.

It is an arithmetic number, because the mean of its divisors is an integer number (4886094150).

Almost surely, 2^222668824840 is an apocalyptic number.

222668824840 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 222668824840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312710025600).

222668824840 is an abundant number, since it is smaller than the sum of its proper divisors (402751226360).

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

222668824840 is a wasteful number, since it uses less digits than its factorization.

222668824840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91535 (or 91531 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 222668824840 in words is "two hundred twenty-two billion, six hundred sixty-eight million, eight hundred twenty-four thousand, eight hundred forty".