320222222213 has 4 divisors (see below), whose sum is σ = 326264150988. Its totient is φ = 314180293440.

The previous prime is 320222222207. The next prime is 320222222297. The reversal of 320222222213 is 312222222023.

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 122287991809 + 197934230404 = 349697^2 + 444898^2 .

It is a cyclic number.

It is not a de Polignac number, because 320222222213 - 2¹² = 320222218117 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 (320222222113) 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, 3020964308 + ... + 3020964413.

It is an arithmetic number, because the mean of its divisors is an integer number (81566037747).

Almost surely, 2^320222222213 is an apocalyptic number.

It is an amenable number.

320222222213 is a deficient number, since it is larger than the sum of its proper divisors (6041928775).

320222222213 is an equidigital number, since it uses as much as digits as its factorization.

320222222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041928774.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 320222222213 its reverse (312222222023), we get a palindrome (632444444236).

The spelling of 320222222213 in words is "three hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirteen".