4221233220 has 24 divisors (see below), whose sum is σ = 11819453184. Its totient is φ = 1125662176.

The previous prime is 4221233213. The next prime is 4221233221. The reversal of 4221233220 is 223321224.

It is not an unprimeable number, because it can be changed into a prime (4221233221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35176884 + ... + 35177003.

It is an arithmetic number, because the mean of its divisors is an integer number (492477216).

Almost surely, 2^4221233220 is an apocalyptic number.

It is an amenable number.

4221233220 is an abundant number, since it is smaller than the sum of its proper divisors (7598219964).

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

4221233220 is a wasteful number, since it uses less digits than its factorization.

4221233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70353899 (or 70353897 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4221233220 is about 64971.0183081657. The cubic root of 4221233220 is about 1616.1429885443.

Adding to 4221233220 its reverse (223321224), we get a palindrome (4444554444).

The spelling of 4221233220 in words is "four billion, two hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty".