222420311340313 has 4 divisors (see below), whose sum is σ = 222420400929460. Its totient is φ = 222420221751168.

The previous prime is 222420311340263. The next prime is 222420311340319. The reversal of 222420311340313 is 313043113024222.

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 31221854873104 + 191198456467209 = 5587652^2 + 13827453^2 .

It is a cyclic number.

It is not a de Polignac number, because 222420311340313 - 2²¹ = 222420309243161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222420311340319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40961220 + ... + 46072357.

It is an arithmetic number, because the mean of its divisors is an integer number (55605100232365).

Almost surely, 2^{222420311340313} is an apocalyptic number.

It is an amenable number.

222420311340313 is a deficient number, since it is larger than the sum of its proper divisors (89589147).

222420311340313 is an equidigital number, since it uses as much as digits as its factorization.

222420311340313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89589146.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 222420311340313 its reverse (313043113024222), we get a palindrome (535463424364535).

The spelling of 222420311340313 in words is "two hundred twenty-two trillion, four hundred twenty billion, three hundred eleven million, three hundred forty thousand, three hundred thirteen".