223000311222 has 128 divisors (see below), whose sum is σ = 572047297920. Its totient is φ = 64578995712.

The previous prime is 223000311199. The next prime is 223000311251. The reversal of 223000311222 is 222113000322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223000311195 and 223000311204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 851308 + ... + 1082000.

It is an arithmetic number, because the mean of its divisors is an integer number (4469119515).

Almost surely, 2^223000311222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223000311222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286023648960).

223000311222 is an abundant number, since it is smaller than the sum of its proper divisors (349046986698).

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

223000311222 is a wasteful number, since it uses less digits than its factorization.

223000311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230746 (or 230728 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 223000311222 its reverse (222113000322), we get a palindrome (445113311544).

The spelling of 223000311222 in words is "two hundred twenty-three billion, three hundred eleven thousand, two hundred twenty-two".