222550219 has 2 divisors, whose sum is σ = 222550220. Its totient is φ = 222550218.

The previous prime is 222550187. The next prime is 222550243. The reversal of 222550219 is 912055222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222550219 - 2⁵ = 222550187 is a prime.

It is a super-2 number, since 2×222550219² = 99057199953895922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222550019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111275109 + 111275110.

It is an arithmetic number, because the mean of its divisors is an integer number (111275110).

Almost surely, 2^222550219 is an apocalyptic number.

222550219 is a deficient number, since it is larger than the sum of its proper divisors (1).

222550219 is an equidigital number, since it uses as much as digits as its factorization.

222550219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 222550219 is about 14918.1171399074. The cubic root of 222550219 is about 606.0047226302.

The spelling of 222550219 in words is "two hundred twenty-two million, five hundred fifty thousand, two hundred nineteen".