222239217 has 8 divisors (see below), whose sum is σ = 305877760. Its totient is φ = 143380080.

The previous prime is 222239207. The next prime is 222239231. The reversal of 222239217 is 712932222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222239217 - 2⁶ = 222239153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222239207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194742 + ... + 1194927.

It is an arithmetic number, because the mean of its divisors is an integer number (38234720).

Almost surely, 2^222239217 is an apocalyptic number.

It is an amenable number.

222239217 is a deficient number, since it is larger than the sum of its proper divisors (83638543).

222239217 is a wasteful number, since it uses less digits than its factorization.

222239217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389703.

The product of its digits is 6048, while the sum is 30.

The square root of 222239217 is about 14907.6898612763. The cubic root of 222239217 is about 605.7223046641.

The spelling of 222239217 in words is "two hundred twenty-two million, two hundred thirty-nine thousand, two hundred seventeen".