222044217 has 8 divisors (see below), whose sum is σ = 302944224. Its totient is φ = 144586848.

The previous prime is 222044171. The next prime is 222044219. The reversal of 222044217 is 712440222.

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

It is not a de Polignac number, because 222044217 - 2¹⁰ = 222043193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222044219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860508 + ... + 860765.

It is an arithmetic number, because the mean of its divisors is an integer number (37868028).

Almost surely, 2^222044217 is an apocalyptic number.

It is an amenable number.

222044217 is a deficient number, since it is larger than the sum of its proper divisors (80900007).

222044217 is a wasteful number, since it uses less digits than its factorization.

222044217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721319.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 222044217 is about 14901.1481772379. The cubic root of 222044217 is about 605.5450925979.

Adding to 222044217 its reverse (712440222), we get a palindrome (934484439).

The spelling of 222044217 in words is "two hundred twenty-two million, forty-four thousand, two hundred seventeen".