222442222 has 8 divisors (see below), whose sum is σ = 333754272. Its totient is φ = 111190800.

The previous prime is 222442217. The next prime is 222442237. The reversal of 222442222 is 222244222.

222442222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222442193 and 222442202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4479 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (41719284).

Almost surely, 2^222442222 is an apocalyptic number.

222442222 is a deficient number, since it is larger than the sum of its proper divisors (111312050).

222442222 is a wasteful number, since it uses less digits than its factorization.

222442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314.

The product of its digits is 2048, while the sum is 22.

The square root of 222442222 is about 14914.4970414694. The cubic root of 222442222 is about 605.9066814156.

Adding to 222442222 its reverse (222244222), we get a palindrome (444686444).

It can be divided in two parts, 22244222 and 2, that multiplied together give a palindrome (44488444).

The spelling of 222442222 in words is "two hundred twenty-two million, four hundred forty-two thousand, two hundred twenty-two".