222250213 has 2 divisors, whose sum is σ = 222250214. Its totient is φ = 222250212.

The previous prime is 222250153. The next prime is 222250271. The reversal of 222250213 is 312052222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149010849 + 73239364 = 12207^2 + 8558^2 .

It is a cyclic number.

It is not a de Polignac number, because 222250213 - 2¹³ = 222242021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222250313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111125106 + 111125107.

It is an arithmetic number, because the mean of its divisors is an integer number (111125107).

Almost surely, 2^222250213 is an apocalyptic number.

It is an amenable number.

222250213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222250213 is an equidigital number, since it uses as much as digits as its factorization.

222250213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222250213 is about 14908.0586596646. The cubic root of 222250213 is about 605.7322945190.

The spelling of 222250213 in words is "two hundred twenty-two million, two hundred fifty thousand, two hundred thirteen".