222216283 has 2 divisors, whose sum is σ = 222216284. Its totient is φ = 222216282.

The previous prime is 222216259. The next prime is 222216301. The reversal of 222216283 is 382612222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222216283 is a prime.

It is not a weakly prime, because it can be changed into another prime (222216223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111108141 + 111108142.

It is an arithmetic number, because the mean of its divisors is an integer number (111108142).

Almost surely, 2^222216283 is an apocalyptic number.

222216283 is a deficient number, since it is larger than the sum of its proper divisors (1).

222216283 is an equidigital number, since it uses as much as digits as its factorization.

222216283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 222216283 is about 14906.9206410982. The cubic root of 222216283 is about 605.7014680878.

The spelling of 222216283 in words is "two hundred twenty-two million, two hundred sixteen thousand, two hundred eighty-three".