213202233 has 8 divisors (see below), whose sum is σ = 315855200. Its totient is φ = 142134804.

The previous prime is 213202181. The next prime is 213202247. The reversal of 213202233 is 332202312.

It is a happy number.

It is not a de Polignac number, because 213202233 - 2¹² = 213198137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213202273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948163 + ... + 3948216.

It is an arithmetic number, because the mean of its divisors is an integer number (39481900).

Almost surely, 2^213202233 is an apocalyptic number.

It is an amenable number.

213202233 is a deficient number, since it is larger than the sum of its proper divisors (102652967).

213202233 is an equidigital number, since it uses as much as digits as its factorization.

213202233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896388 (or 7896382 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213202233 is about 14601.4462639836. The cubic root of 213202233 is about 597.3982091147.

Adding to 213202233 its reverse (332202312), we get a palindrome (545404545).

The spelling of 213202233 in words is "two hundred thirteen million, two hundred two thousand, two hundred thirty-three".