222222219 has 8 divisors (see below), whose sum is σ = 298428480. Its totient is φ = 147082056.

The previous prime is 222222193. The next prime is 222222227. The reversal of 222222219 is 912222222.

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

It is not a de Polignac number, because 222222219 - 2²⁰ = 221173643 is a prime.

It is a super-2 number, since 2×222222219² = 98765429234567922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222222919) 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, 266037 + ... + 266870.

It is an arithmetic number, because the mean of its divisors is an integer number (37303560).

Almost surely, 2^222222219 is an apocalyptic number.

222222219 is a deficient number, since it is larger than the sum of its proper divisors (76206261).

222222219 is a wasteful number, since it uses less digits than its factorization.

222222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533049.

The product of its digits is 1152, while the sum is 24.

The square root of 222222219 is about 14907.1197419220. The cubic root of 222222219 is about 605.7068613498.

The spelling of 222222219 in words is "two hundred twenty-two million, two hundred twenty-two thousand, two hundred nineteen".