4213223220 has 96 divisors (see below), whose sum is σ = 12503731968. Its totient is φ = 1056356352.

The previous prime is 4213223207. The next prime is 4213223221. The reversal of 4213223220 is 223223124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213223221) 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 31 ways as a sum of consecutive naturals, for example, 1572522 + ... + 1575198.

It is an arithmetic number, because the mean of its divisors is an integer number (130247208).

Almost surely, 2^4213223220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4213223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6251865984).

4213223220 is an abundant number, since it is smaller than the sum of its proper divisors (8290508748).

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

4213223220 is a wasteful number, since it uses less digits than its factorization.

4213223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249 (or 4247 counting only the distinct ones).

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

The square root of 4213223220 is about 64909.3461683293. The cubic root of 4213223220 is about 1615.1201040438.

Adding to 4213223220 its reverse (223223124), we get a palindrome (4436446344).

The spelling of 4213223220 in words is "four billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred twenty".