232242213 has 16 divisors (see below), whose sum is σ = 361116800. Its totient is φ = 132709248.

The previous prime is 232242191. The next prime is 232242223. The reversal of 232242213 is 312242232.

It is not a de Polignac number, because 232242213 - 2¹⁸ = 231980069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232242213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232242223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111820 + ... + 113877.

It is an arithmetic number, because the mean of its divisors is an integer number (22569800).

Almost surely, 2^232242213 is an apocalyptic number.

It is an amenable number.

232242213 is a deficient number, since it is larger than the sum of its proper divisors (128874587).

232242213 is an equidigital number, since it uses as much as digits as its factorization.

232242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225721 (or 225707 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 232242213 is about 15239.4951688040. The cubic root of 232242213 is about 614.6771284286.

Adding to 232242213 its reverse (312242232), we get a palindrome (544484445).

The spelling of 232242213 in words is "two hundred thirty-two million, two hundred forty-two thousand, two hundred thirteen".