222306240000 has 800 divisors, whose sum is σ = 816092766720. Its totient is φ = 53415936000.

The previous prime is 222306239989. The next prime is 222306240017. The reversal of 222306240000 is 42603222.

It is a tau number, because it is divible by the number of its divisors (800).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 586559811 + ... + 586560189.

Almost surely, 2^222306240000 is an apocalyptic number.

222306240000 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 222306240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408046383360).

222306240000 is an abundant number, since it is smaller than the sum of its proper divisors (593786526720).

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

222306240000 is an equidigital number, since it uses as much as digits as its factorization.

222306240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 222306240000 its reverse (42603222), we get a palindrome (222348843222).

The spelling of 222306240000 in words is "two hundred twenty-two billion, three hundred six million, two hundred forty thousand".