222320221313 has 4 divisors (see below), whose sum is σ = 222335275008. Its totient is φ = 222305167620.

The previous prime is 222320221307. The next prime is 222320221337. The reversal of 222320221313 is 313122023222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222320221313 - 2⁴ = 222320221297 is a prime.

It is a super-3 number, since 3×222320221313³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222320221393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7504673 + ... + 7534238.

It is an arithmetic number, because the mean of its divisors is an integer number (55583818752).

Almost surely, 2^222320221313 is an apocalyptic number.

It is an amenable number.

222320221313 is a deficient number, since it is larger than the sum of its proper divisors (15053695).

222320221313 is a wasteful number, since it uses less digits than its factorization.

222320221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053694.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222320221313 its reverse (313122023222), we get a palindrome (535442244535).

The spelling of 222320221313 in words is "two hundred twenty-two billion, three hundred twenty million, two hundred twenty-one thousand, three hundred thirteen".