221323320114440 has 64 divisors (see below), whose sum is σ = 506951803733760. Its totient is φ = 86947824936960.

The previous prime is 221323320114439. The next prime is 221323320114451. The reversal of 221323320114440 is 44411023323122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221323320114397 and 221323320114406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217209632 + ... + 218226191.

It is an arithmetic number, because the mean of its divisors is an integer number (7921121933340).

Almost surely, 2^{221323320114440} is an apocalyptic number.

221323320114440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221323320114440 is an abundant number, since it is smaller than the sum of its proper divisors (285628483619320).

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

221323320114440 is a wasteful number, since it uses less digits than its factorization.

221323320114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435436062 (or 435436058 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 221323320114440 its reverse (44411023323122), we get a palindrome (265734343437562).

The spelling of 221323320114440 in words is "two hundred twenty-one trillion, three hundred twenty-three billion, three hundred twenty million, one hundred fourteen thousand, four hundred forty".