223112021222 has 4 divisors (see below), whose sum is σ = 334668031836. Its totient is φ = 111556010610.

The previous prime is 223112021219. The next prime is 223112021243. The reversal of 223112021222 is 222120211322.

223112021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×223112021222³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223112021194 and 223112021203.

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 as a sum of consecutive naturals, namely, 55778005304 + ... + 55778005307.

It is an arithmetic number, because the mean of its divisors is an integer number (83667007959).

Almost surely, 2^223112021222 is an apocalyptic number.

223112021222 is a deficient number, since it is larger than the sum of its proper divisors (111556010614).

223112021222 is a wasteful number, since it uses less digits than its factorization.

223112021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111556010613.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 223112021222 its reverse (222120211322), we get a palindrome (445232232544).

The spelling of 223112021222 in words is "two hundred twenty-three billion, one hundred twelve million, twenty-one thousand, two hundred twenty-two".