223122212122 has 16 divisors (see below), whose sum is σ = 342696229920. Its totient is φ = 108893614032.

The previous prime is 223122212081. The next prime is 223122212147. The reversal of 223122212122 is 221212221322.

It is a happy number.

It is a super-3 number, since 3×223122212122³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223122212093 and 223122212102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740472 + ... + 997267.

It is an arithmetic number, because the mean of its divisors is an integer number (21418514370).

Almost surely, 2^223122212122 is an apocalyptic number.

223122212122 is a deficient number, since it is larger than the sum of its proper divisors (119574017798).

223122212122 is a wasteful number, since it uses less digits than its factorization.

223122212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739277.

The product of its digits is 768, while the sum is 22.

Adding to 223122212122 its reverse (221212221322), we get a palindrome (444334433444).

The spelling of 223122212122 in words is "two hundred twenty-three billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".