222222214 has 24 divisors (see below), whose sum is σ = 360429048. Its totient is φ = 102682080.

The previous prime is 222222193. The next prime is 222222227. The reversal of 222222214 is 412222222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 222222191 and 222222200.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25849 + ... + 33355.

It is an arithmetic number, because the mean of its divisors is an integer number (15017877).

Almost surely, 2^222222214 is an apocalyptic number.

222222214 is a deficient number, since it is larger than the sum of its proper divisors (138206834).

222222214 is a wasteful number, since it uses less digits than its factorization.

222222214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588 (or 7569 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 222222214 is about 14907.1195742169. The cubic root of 222222214 is about 605.7068568070.

Adding to 222222214 its reverse (412222222), we get a palindrome (634444436).

The spelling of 222222214 in words is "two hundred twenty-two million, two hundred twenty-two thousand, two hundred fourteen".