223403221004334 has 128 divisors (see below), whose sum is σ = 539802404305920. Its totient is φ = 60212730240000.

The previous prime is 223403221004291. The next prime is 223403221004387. The reversal of 223403221004334 is 433400122304322.

It is a super-2 number, since 2×223403221004334² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223403221004295 and 223403221004304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234562084 + ... + 235512584.

It is an arithmetic number, because the mean of its divisors is an integer number (4217206283640).

Almost surely, 2^{223403221004334} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223403221004334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269901202152960).

223403221004334 is an abundant number, since it is smaller than the sum of its proper divisors (316399183301586).

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

223403221004334 is a wasteful number, since it uses less digits than its factorization.

223403221004334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951786.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 223403221004334 its reverse (433400122304322), we get a palindrome (656803343308656).

The spelling of 223403221004334 in words is "two hundred twenty-three trillion, four hundred three billion, two hundred twenty-one million, four thousand, three hundred thirty-four".