223322213 has 4 divisors (see below), whose sum is σ = 223356300. Its totient is φ = 223288128.

The previous prime is 223322191. The next prime is 223322279. The reversal of 223322213 is 312223322.

223322213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312223322 = 2 ⋅156111661.

It can be written as a sum of positive squares in 2 ways, for example, as 62995969 + 160326244 = 7937^2 + 12662^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322213 - 2²⁶ = 156213349 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 (223322293) 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, 3770 + ... + 21467.

It is an arithmetic number, because the mean of its divisors is an integer number (55839075).

Almost surely, 2^223322213 is an apocalyptic number.

It is an amenable number.

223322213 is a deficient number, since it is larger than the sum of its proper divisors (34087).

223322213 is an equidigital number, since it uses as much as digits as its factorization.

223322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34086.

The product of its digits is 864, while the sum is 20.

The square root of 223322213 is about 14943.9691180088. The cubic root of 223322213 is about 606.7046277350.

Adding to 223322213 its reverse (312223322), we get a palindrome (535545535).

The spelling of 223322213 in words is "two hundred twenty-three million, three hundred twenty-two thousand, two hundred thirteen".