223164213 has 4 divisors (see below), whose sum is σ = 297552288. Its totient is φ = 148776140.

The previous prime is 223164199. The next prime is 223164217. The reversal of 223164213 is 312461322.

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 223164213 - 2⁴ = 223164197 is a prime.

It is a super-3 number, since 3×223164213³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223164217) 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, 37194033 + ... + 37194038.

It is an arithmetic number, because the mean of its divisors is an integer number (74388072).

Almost surely, 2^223164213 is an apocalyptic number.

It is an amenable number.

223164213 is a deficient number, since it is larger than the sum of its proper divisors (74388075).

223164213 is an equidigital number, since it uses as much as digits as its factorization.

223164213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74388074.

The product of its digits is 1728, while the sum is 24.

The square root of 223164213 is about 14938.6817691522. The cubic root of 223164213 is about 606.5615132257.

The spelling of 223164213 in words is "two hundred twenty-three million, one hundred sixty-four thousand, two hundred thirteen".