223012212 has 24 divisors (see below), whose sum is σ = 529183200. Its totient is φ = 73077216.

The previous prime is 223012189. The next prime is 223012213. The reversal of 223012212 is 212210322.

It is a happy number.

It is a super-2 number, since 2×223012212² = 99468893402265888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223012191 and 223012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156787 + ... + 158202.

It is an arithmetic number, because the mean of its divisors is an integer number (22049300).

Almost surely, 2^223012212 is an apocalyptic number.

It is an amenable number.

223012212 is an abundant number, since it is smaller than the sum of its proper divisors (306170988).

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

223012212 is a wasteful number, since it uses less digits than its factorization.

223012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315055 (or 315053 counting only the distinct ones).

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

The square root of 223012212 is about 14933.5934054734. The cubic root of 223012212 is about 606.4237687731.

Adding to 223012212 its reverse (212210322), we get a palindrome (435222534).

The spelling of 223012212 in words is "two hundred twenty-three million, twelve thousand, two hundred twelve".