222220222 has 8 divisors (see below), whose sum is σ = 380948976. Its totient is φ = 95237232.

The previous prime is 222220211. The next prime is 222220223. The reversal of 222220222 is 222022222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 222220196 and 222220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7936423 + ... + 7936450.

It is an arithmetic number, because the mean of its divisors is an integer number (47618622).

Almost surely, 2^222220222 is an apocalyptic number.

222220222 is a deficient number, since it is larger than the sum of its proper divisors (158728754).

222220222 is a wasteful number, since it uses less digits than its factorization.

222220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872882.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 222220222 is about 14907.0527603547. The cubic root of 222220222 is about 605.7050469494.

Adding to 222220222 its reverse (222022222), we get a palindrome (444242444).

It can be divided in two parts, 22 and 2220222, that multiplied together give a palindrome (48844884).

The spelling of 222220222 in words is "two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".