4221003222 has 24 divisors (see below), whose sum is σ = 9155303976. Its totient is φ = 1405493856.

The previous prime is 4221003221. The next prime is 4221003233. The reversal of 4221003222 is 2223001224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4221003195 and 4221003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221003221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108268 + ... + 141999.

It is an arithmetic number, because the mean of its divisors is an integer number (381470999).

Almost surely, 2^4221003222 is an apocalyptic number.

4221003222 is an abundant number, since it is smaller than the sum of its proper divisors (4934300754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221003222 is a wasteful number, since it uses less digits than its factorization.

4221003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251212 (or 251209 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4221003222 is about 64969.2482794745. The cubic root of 4221003222 is about 1616.1136356367.

Adding to 4221003222 its reverse (2223001224), we get a palindrome (6444004446).

The spelling of 4221003222 in words is "four billion, two hundred twenty-one million, three thousand, two hundred twenty-two".