4224421020 has 48 divisors (see below), whose sum is σ = 12004933248. Its totient is φ = 1109697600.

The previous prime is 4224420961. The next prime is 4224421027. The reversal of 4224421020 is 201244224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224421027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521406 + ... + 529445.

It is an arithmetic number, because the mean of its divisors is an integer number (250102776).

Almost surely, 2^4224421020 is an apocalyptic number.

It is an amenable number.

4224421020 is an abundant number, since it is smaller than the sum of its proper divisors (7780512228).

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

4224421020 is a wasteful number, since it uses less digits than its factorization.

4224421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050930 (or 1050928 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4224421020 is about 64995.5461551020. The cubic root of 4224421020 is about 1616.5497136260.

Adding to 4224421020 its reverse (201244224), we get a palindrome (4425665244).

The spelling of 4224421020 in words is "four billion, two hundred twenty-four million, four hundred twenty-one thousand, twenty".