222404303520440 has 128 divisors (see below), whose sum is σ = 509942847974400. Its totient is φ = 87281344350720.

The previous prime is 222404303520409. The next prime is 222404303520467. The reversal of 222404303520440 is 44025303404222.

It is a self number, because there is not a number n which added to its sum of digits gives 222404303520440.

It is a congruent number.

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, 3174403010 + ... + 3174473070.

It is an arithmetic number, because the mean of its divisors is an integer number (3983928499800).

Almost surely, 2^{222404303520440} is an apocalyptic number.

222404303520440 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 222404303520440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254971423987200).

222404303520440 is an abundant number, since it is smaller than the sum of its proper divisors (287538544453960).

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

222404303520440 is a wasteful number, since it uses less digits than its factorization.

222404303520440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76477 (or 76473 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 222404303520440 its reverse (44025303404222), we get a palindrome (266429606924662).

The spelling of 222404303520440 in words is "two hundred twenty-two trillion, four hundred four billion, three hundred three million, five hundred twenty thousand, four hundred forty".