222219073 has 2 divisors, whose sum is σ = 222219074. Its totient is φ = 222219072.

The previous prime is 222219071. The next prime is 222219091. The reversal of 222219073 is 370912222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119946304 + 102272769 = 10952^2 + 10113^2 .

It is a cyclic number.

It is not a de Polignac number, because 222219073 - 2¹ = 222219071 is a prime.

Together with 222219071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222219071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111109536 + 111109537.

It is an arithmetic number, because the mean of its divisors is an integer number (111109537).

Almost surely, 2^222219073 is an apocalyptic number.

It is an amenable number.

222219073 is a deficient number, since it is larger than the sum of its proper divisors (1).

222219073 is an equidigital number, since it uses as much as digits as its factorization.

222219073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 222219073 is about 14907.0142214999. The cubic root of 222219073 is about 605.7040030056.

The spelling of 222219073 in words is "two hundred twenty-two million, two hundred nineteen thousand, seventy-three".