202222213 has 2 divisors, whose sum is σ = 202222214. Its totient is φ = 202222212.

The previous prime is 202222199. The next prime is 202222217. The reversal of 202222213 is 312222202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143209089 + 59013124 = 11967^2 + 7682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202222213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111106 + 101111107.

It is an arithmetic number, because the mean of its divisors is an integer number (101111107).

Almost surely, 2^202222213 is an apocalyptic number.

It is an amenable number.

202222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222213 is an equidigital number, since it uses as much as digits as its factorization.

202222213 is an evil number, because the sum of its binary digits is even.

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

The square root of 202222213 is about 14220.4856808760. The cubic root of 202222213 is about 586.9615049434.

Adding to 202222213 its reverse (312222202), we get a palindrome (514444415).

The spelling of 202222213 in words is "two hundred two million, two hundred twenty-two thousand, two hundred thirteen".