224210213 has 4 divisors (see below), whose sum is σ = 229424448. Its totient is φ = 218995980.

The previous prime is 224210201. The next prime is 224210237. The reversal of 224210213 is 312012422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312012422 = 2 ⋅156006211.

It is a cyclic number.

It is not a de Polignac number, because 224210213 - 2¹⁸ = 223948069 is a prime.

It is a super-2 number, since 2×224210213² = 100540439227010738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224210191 and 224210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224210243) 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, 2607053 + ... + 2607138.

It is an arithmetic number, because the mean of its divisors is an integer number (57356112).

Almost surely, 2^224210213 is an apocalyptic number.

It is an amenable number.

224210213 is a deficient number, since it is larger than the sum of its proper divisors (5214235).

224210213 is an equidigital number, since it uses as much as digits as its factorization.

224210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214234.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 224210213 is about 14973.6506236789. The cubic root of 224210213 is about 607.5077142861.

Adding to 224210213 its reverse (312012422), we get a palindrome (536222635).

The spelling of 224210213 in words is "two hundred twenty-four million, two hundred ten thousand, two hundred thirteen".