222005313 has 8 divisors (see below), whose sum is σ = 328896800. Its totient is φ = 148003524.

The previous prime is 222005309. The next prime is 222005317. The reversal of 222005313 is 313500222.

It is an interprime number because it is at equal distance from previous prime (222005309) and next prime (222005317).

It is not a de Polignac number, because 222005313 - 2² = 222005309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222005317) 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, 4111183 + ... + 4111236.

It is an arithmetic number, because the mean of its divisors is an integer number (41112100).

Almost surely, 2^222005313 is an apocalyptic number.

It is an amenable number.

222005313 is a deficient number, since it is larger than the sum of its proper divisors (106891487).

222005313 is an equidigital number, since it uses as much as digits as its factorization.

222005313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8222428 (or 8222422 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 222005313 is about 14899.8427172907. The cubic root of 222005313 is about 605.5097250142.

Adding to 222005313 its reverse (313500222), we get a palindrome (535505535).

The spelling of 222005313 in words is "two hundred twenty-two million, five thousand, three hundred thirteen".