213224211 has 16 divisors (see below), whose sum is σ = 326781600. Its totient is φ = 137247264.

The previous prime is 213224201. The next prime is 213224243. The reversal of 213224211 is 112422312.

It is a happy number.

213224211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213224211 - 2²² = 209029907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213224201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135376 + ... + 136941.

It is an arithmetic number, because the mean of its divisors is an integer number (20423850).

Almost surely, 2^213224211 is an apocalyptic number.

213224211 is a deficient number, since it is larger than the sum of its proper divisors (113557389).

213224211 is a wasteful number, since it uses less digits than its factorization.

213224211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272355 (or 272349 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 213224211 is about 14602.1988412704. The cubic root of 213224211 is about 597.4187360522.

Adding to 213224211 its reverse (112422312), we get a palindrome (325646523).

The spelling of 213224211 in words is "two hundred thirteen million, two hundred twenty-four thousand, two hundred eleven".