222232313 has 8 divisors (see below), whose sum is σ = 235525320. Its totient is φ = 208963840.

The previous prime is 222232301. The next prime is 222232321. The reversal of 222232313 is 313232222.

It can be written as a sum of positive squares in 4 ways, for example, as 60637369 + 161594944 = 7787^2 + 12712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222232313 - 2²⁰ = 221183737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222232393) 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, 14543 + ... + 25611.

It is an arithmetic number, because the mean of its divisors is an integer number (29440665).

Almost surely, 2^222232313 is an apocalyptic number.

It is an amenable number.

222232313 is a deficient number, since it is larger than the sum of its proper divisors (13293007).

222232313 is a wasteful number, since it uses less digits than its factorization.

222232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267.

The product of its digits is 864, while the sum is 20.

The square root of 222232313 is about 14907.4583011324. The cubic root of 222232313 is about 605.7160322187.

Adding to 222232313 its reverse (313232222), we get a palindrome (535464535).

Subtracting 222232313 from its reverse (313232222), we obtain a palindrome (90999909).

The spelling of 222232313 in words is "two hundred twenty-two million, two hundred thirty-two thousand, three hundred thirteen".