222323012 has 12 divisors (see below), whose sum is σ = 391240080. Its totient is φ = 110540136.

The previous prime is 222323011. The next prime is 222323021. The reversal of 222323012 is 210323222.

It is not an unprimeable number, because it can be changed into a prime (222323011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154538 + ... + 155969.

It is an arithmetic number, because the mean of its divisors is an integer number (32603340).

Almost surely, 2^222323012 is an apocalyptic number.

It is an amenable number.

222323012 is a deficient number, since it is larger than the sum of its proper divisors (168917068).

222323012 is a wasteful number, since it uses less digits than its factorization.

222323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310690 (or 310688 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222323012 is about 14910.5000586835. The cubic root of 222323012 is about 605.7984240267.

Adding to 222323012 its reverse (210323222), we get a palindrome (432646234).

The spelling of 222323012 in words is "two hundred twenty-two million, three hundred twenty-three thousand, twelve".