233313231222 has 96 divisors (see below), whose sum is σ = 541230004224. Its totient is φ = 75271874400.

The previous prime is 233313231199. The next prime is 233313231251. The reversal of 233313231222 is 222132313332.

233313231222 is a `hidden beast` number, since 2 + 3 + 331 + 323 + 1 + 2 + 2 + 2 = 666.

233313231222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×233313231222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3400597 + ... + 3468527.

It is an arithmetic number, because the mean of its divisors is an integer number (5637812544).

Almost surely, 2^233313231222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233313231222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270615002112).

233313231222 is an abundant number, since it is smaller than the sum of its proper divisors (307916773002).

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

233313231222 is a wasteful number, since it uses less digits than its factorization.

233313231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68176 (or 68164 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 233313231222 its reverse (222132313332), we get a palindrome (455445544554).

The spelling of 233313231222 in words is "two hundred thirty-three billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred twenty-two".