4221445302 has 16 divisors (see below), whose sum is σ = 9380989680. Its totient is φ = 1407148416.

The previous prime is 4221445301. The next prime is 4221445309. The reversal of 4221445302 is 2035441224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221445301) 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 7 ways as a sum of consecutive naturals, for example, 39087403 + ... + 39087510.

It is an arithmetic number, because the mean of its divisors is an integer number (586311855).

Almost surely, 2^4221445302 is an apocalyptic number.

4221445302 is an abundant number, since it is smaller than the sum of its proper divisors (5159544378).

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

4221445302 is a wasteful number, since it uses less digits than its factorization.

4221445302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78174924 (or 78174918 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4221445302 is about 64972.6504153863. The cubic root of 4221445302 is about 1616.1700540234.

Adding to 4221445302 its reverse (2035441224), we get a palindrome (6256886526).

The spelling of 4221445302 in words is "four billion, two hundred twenty-one million, four hundred forty-five thousand, three hundred two".