202212223 has 4 divisors (see below), whose sum is σ = 202669128. Its totient is φ = 201755320.

The previous prime is 202212211. The next prime is 202212233. The reversal of 202212223 is 322212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202212223 - 2⁵ = 202212191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202212197 and 202212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212233) 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, 227788 + ... + 228673.

It is an arithmetic number, because the mean of its divisors is an integer number (50667282).

Almost surely, 2^202212223 is an apocalyptic number.

202212223 is a deficient number, since it is larger than the sum of its proper divisors (456905).

202212223 is an equidigital number, since it uses as much as digits as its factorization.

202212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456904.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 202212223 is about 14220.1344227120. The cubic root of 202212223 is about 586.9518392693.

Adding to 202212223 its reverse (322212202), we get a palindrome (524424425).

The spelling of 202212223 in words is "two hundred two million, two hundred twelve thousand, two hundred twenty-three".