312224222422213 has 4 divisors (see below), whose sum is σ = 312224290384140. Its totient is φ = 312224154460288.

The previous prime is 312224222422201. The next prime is 312224222422219.

312224222422213 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279289673889444 + 32934548532769 = 16711962^2 + 5738863^2 .

It is a cyclic number.

It is not a de Polignac number, because 312224222422213 - 2⁵ = 312224222422181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312224222422219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26547820 + ... + 36458677.

It is an arithmetic number, because the mean of its divisors is an integer number (78056072596035).

Almost surely, 2^{312224222422213} is an apocalyptic number.

It is an amenable number.

312224222422213 is a deficient number, since it is larger than the sum of its proper divisors (67961927).

312224222422213 is an equidigital number, since it uses as much as digits as its factorization.

312224222422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67961926.

The product of its digits is 73728, while the sum is 34.

The spelling of 312224222422213 in words is "three hundred twelve trillion, two hundred twenty-four billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred thirteen".