313233021222 has 64 divisors (see below), whose sum is σ = 695456824320. Its totient is φ = 93249082400.

The previous prime is 313233021193. The next prime is 313233021239. The reversal of 313233021222 is 222120332313.

It is a super-2 number, since 2×313233021222² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313233021192 and 313233021201.

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, 6091873 + ... + 6143075.

It is an arithmetic number, because the mean of its divisors is an integer number (10866512880).

Almost surely, 2^313233021222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313233021222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347728412160).

313233021222 is an abundant number, since it is smaller than the sum of its proper divisors (382223803098).

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

313233021222 is a wasteful number, since it uses less digits than its factorization.

313233021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52849.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 313233021222 its reverse (222120332313), we get a palindrome (535353353535).

The spelling of 313233021222 in words is "three hundred thirteen billion, two hundred thirty-three million, twenty-one thousand, two hundred twenty-two".