223221030013 has 4 divisors (see below), whose sum is σ = 230918306940. Its totient is φ = 215523753088.

The previous prime is 223221030001. The next prime is 223221030023. The reversal of 223221030013 is 310030122322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310030122322 = 2 ⋅155015061161.

It can be written as a sum of positive squares in 2 ways, for example, as 74801156004 + 148419874009 = 273498^2 + 385253^2 .

It is a cyclic number.

It is not a de Polignac number, because 223221030013 - 2¹⁷ = 223220898941 is a prime.

It is a super-3 number, since 3×223221030013³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221030023) 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, 3848638420 + ... + 3848638477.

It is an arithmetic number, because the mean of its divisors is an integer number (57729576735).

Almost surely, 2^223221030013 is an apocalyptic number.

It is an amenable number.

223221030013 is a deficient number, since it is larger than the sum of its proper divisors (7697276927).

223221030013 is an equidigital number, since it uses as much as digits as its factorization.

223221030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697276926.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 223221030013 its reverse (310030122322), we get a palindrome (533251152335).

The spelling of 223221030013 in words is "two hundred twenty-three billion, two hundred twenty-one million, thirty thousand, thirteen".