223212231222 has 64 divisors (see below), whose sum is σ = 467186227200. Its totient is φ = 71032515840.

The previous prime is 223212231217. The next prime is 223212231343. The reversal of 223212231222 is 222132212322.

It is a super-3 number, since 3×223212231222³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 223212231192 and 223212231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545179 + ... + 2631417.

It is an arithmetic number, because the mean of its divisors is an integer number (7299784800).

Almost surely, 2^223212231222 is an apocalyptic number.

223212231222 is an abundant number, since it is smaller than the sum of its proper divisors (243973995978).

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

223212231222 is a wasteful number, since it uses less digits than its factorization.

223212231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86501.

The product of its digits is 2304, while the sum is 24.

Adding to 223212231222 its reverse (222132212322), we get a palindrome (445344443544).

The spelling of 223212231222 in words is "two hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred twenty-two".