222436112640 has 288 divisors, whose sum is σ = 831698171136. Its totient is φ = 49602232320.

The previous prime is 222436112581. The next prime is 222436112653. The reversal of 222436112640 is 46211634222.

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, 1001164 + ... + 1202996.

It is an arithmetic number, because the mean of its divisors is an integer number (2887840872).

Almost surely, 2^222436112640 is an apocalyptic number.

222436112640 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 222436112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415849085568).

222436112640 is an abundant number, since it is smaller than the sum of its proper divisors (609262058496).

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

222436112640 is a wasteful number, since it uses less digits than its factorization.

222436112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201905 (or 201891 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 222436112640 its reverse (46211634222), we get a palindrome (268647746862).

The spelling of 222436112640 in words is "two hundred twenty-two billion, four hundred thirty-six million, one hundred twelve thousand, six hundred forty".