222352313 has 4 divisors (see below), whose sum is σ = 224430480. Its totient is φ = 220274148.

The previous prime is 222352289. The next prime is 222352327. The reversal of 222352313 is 313253222.

222352313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222352313 - 2²⁰ = 221303737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222352393) 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, 1038923 + ... + 1039136.

It is an arithmetic number, because the mean of its divisors is an integer number (56107620).

Almost surely, 2^222352313 is an apocalyptic number.

It is an amenable number.

222352313 is a deficient number, since it is larger than the sum of its proper divisors (2078167).

222352313 is a wasteful number, since it uses less digits than its factorization.

222352313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078166.

The product of its digits is 2160, while the sum is 23.

The square root of 222352313 is about 14911.4825889313. The cubic root of 222352313 is about 605.8250365363.

Subtracting 222352313 from its reverse (313253222), we obtain a palindrome (90900909).

The spelling of 222352313 in words is "two hundred twenty-two million, three hundred fifty-two thousand, three hundred thirteen".