4221115222 has 8 divisors (see below), whose sum is σ = 6346296936. Its totient is φ = 2105682912.

The previous prime is 4221115219. The next prime is 4221115237. The reversal of 4221115222 is 2225111224.

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 = 4221115193 and 4221115202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436268 + ... + 2437999.

It is an arithmetic number, because the mean of its divisors is an integer number (793287117).

Almost surely, 2^4221115222 is an apocalyptic number.

4221115222 is a deficient number, since it is larger than the sum of its proper divisors (2125181714).

4221115222 is a wasteful number, since it uses less digits than its factorization.

4221115222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874702.

The product of its digits is 640, while the sum is 22.

The square root of 4221115222 is about 64970.1102200081. The cubic root of 4221115222 is about 1616.1279294840.

Adding to 4221115222 its reverse (2225111224), we get a palindrome (6446226446).

The spelling of 4221115222 in words is "four billion, two hundred twenty-one million, one hundred fifteen thousand, two hundred twenty-two".