4223420220 has 96 divisors (see below), whose sum is σ = 12265888320. Its totient is φ = 1084518400.

The previous prime is 4223420213. The next prime is 4223420221. The reversal of 4223420220 is 220243224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223420221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694714 + ... + 700766.

It is an arithmetic number, because the mean of its divisors is an integer number (127769670).

Almost surely, 2^4223420220 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 4223420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6132944160).

4223420220 is an abundant number, since it is smaller than the sum of its proper divisors (8042468100).

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

4223420220 is a wasteful number, since it uses less digits than its factorization.

4223420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495 (or 6493 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4223420220 is about 64987.8467099811. The cubic root of 4223420220 is about 1616.4220455801.

Adding to 4223420220 its reverse (220243224), we get a palindrome (4443663444).

The spelling of 4223420220 in words is "four billion, two hundred twenty-three million, four hundred twenty thousand, two hundred twenty".