223122012 has 48 divisors (see below), whose sum is σ = 534589440. Its totient is φ = 72390528.

The previous prime is 223121947. The next prime is 223122013. The reversal of 223122012 is 210221322.

It is a happy number.

It is a super-3 number, since 3×223122012³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223121982 and 223122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197064 + ... + 198192.

It is an arithmetic number, because the mean of its divisors is an integer number (11137280).

Almost surely, 2^223122012 is an apocalyptic number.

It is an amenable number.

223122012 is an abundant number, since it is smaller than the sum of its proper divisors (311467428).

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

223122012 is a wasteful number, since it uses less digits than its factorization.

223122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 223122012 is about 14937.2692283429. The cubic root of 223122012 is about 606.5232766348.

Adding to 223122012 its reverse (210221322), we get a palindrome (433343334).

The spelling of 223122012 in words is "two hundred twenty-three million, one hundred twenty-two thousand, twelve".