222323013 has 12 divisors (see below), whose sum is σ = 350327328. Its totient is φ = 134741160.

The previous prime is 222323011. The next prime is 222323021. The reversal of 222323013 is 310323222.

It is a happy number.

It is not a de Polignac number, because 222323013 - 2¹ = 222323011 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1122745 + ... + 1122942.

It is an arithmetic number, because the mean of its divisors is an integer number (29193944).

Almost surely, 2^222323013 is an apocalyptic number.

It is an amenable number.

222323013 is a deficient number, since it is larger than the sum of its proper divisors (128004315).

222323013 is a wasteful number, since it uses less digits than its factorization.

222323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245704 (or 2245701 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222323013 is about 14910.5000922169. The cubic root of 222323013 is about 605.7984249350.

Adding to 222323013 its reverse (310323222), we get a palindrome (532646235).

The spelling of 222323013 in words is "two hundred twenty-two million, three hundred twenty-three thousand, thirteen".