4302221220 has 72 divisors (see below), whose sum is σ = 14236447680. Its totient is φ = 1042962240.

The previous prime is 4302221207. The next prime is 4302221227. The reversal of 4302221220 is 221222034.

4302221220 is a `hidden beast` number, since 430 + 2 + 2 + 212 + 20 = 666.

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 = 4302221193 and 4302221202.

It is not an unprimeable number, because it can be changed into a prime (4302221227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084440 + ... + 1088399.

It is an arithmetic number, because the mean of its divisors is an integer number (197728440).

Almost surely, 2^4302221220 is an apocalyptic number.

It is an amenable number.

4302221220 is an abundant number, since it is smaller than the sum of its proper divisors (9934226460).

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

4302221220 is a wasteful number, since it uses less digits than its factorization.

4302221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172865 (or 2172860 counting only the distinct ones).

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

The square root of 4302221220 is about 65591.3197000945. The cubic root of 4302221220 is about 1626.4132834711.

Adding to 4302221220 its reverse (221222034), we get a palindrome (4523443254).

It can be divided in two parts, 4302 and 221220, that added together give a palindrome (225522).

The spelling of 4302221220 in words is "four billion, three hundred two million, two hundred twenty-one thousand, two hundred twenty".