202202213 has 4 divisors (see below), whose sum is σ = 202484160. Its totient is φ = 201920268.

The previous prime is 202202171. The next prime is 202202279. The reversal of 202202213 is 312202202.

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 a de Polignac number, because none of the positive numbers 2^k-202202213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139895 + ... + 141332.

It is an arithmetic number, because the mean of its divisors is an integer number (50621040).

Almost surely, 2^202202213 is an apocalyptic number.

It is an amenable number.

202202213 is a deficient number, since it is larger than the sum of its proper divisors (281947).

202202213 is an equidigital number, since it uses as much as digits as its factorization.

202202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281946.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 202202213 is about 14219.7824526256. The cubic root of 202202213 is about 586.9421539252.

Adding to 202202213 its reverse (312202202), we get a palindrome (514404415).

The spelling of 202202213 in words is "two hundred two million, two hundred two thousand, two hundred thirteen".