222216259 has 2 divisors, whose sum is σ = 222216260. Its totient is φ = 222216258.

The previous prime is 222216223. The next prime is 222216283. The reversal of 222216259 is 952612222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222216259 - 2¹³ = 222208067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222216259.

It is not a weakly prime, because it can be changed into another prime (222216359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111108129 + 111108130.

It is an arithmetic number, because the mean of its divisors is an integer number (111108130).

Almost surely, 2^222216259 is an apocalyptic number.

222216259 is a deficient number, since it is larger than the sum of its proper divisors (1).

222216259 is an equidigital number, since it uses as much as digits as its factorization.

222216259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 222216259 is about 14906.9198361030. The cubic root of 222216259 is about 605.7014462820.

It can be divided in two parts, 2222 and 16259, that added together give a palindrome (18481).

The spelling of 222216259 in words is "two hundred twenty-two million, two hundred sixteen thousand, two hundred fifty-nine".