4407221689 has 4 divisors (see below), whose sum is σ = 4746238756. Its totient is φ = 4068204624.

The previous prime is 4407221677. The next prime is 4407221699. The reversal of 4407221689 is 9861227044.

4407221689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1529435664 + 2877786025 = 39108^2 + 53645^2 .

It is a cyclic number.

It is not a de Polignac number, because 4407221689 - 2²³ = 4398833081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4407221629) 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 3 ways as a sum of consecutive naturals, for example, 169508514 + ... + 169508539.

It is an arithmetic number, because the mean of its divisors is an integer number (1186559689).

Almost surely, 2^4407221689 is an apocalyptic number.

It is an amenable number.

4407221689 is a deficient number, since it is larger than the sum of its proper divisors (339017067).

4407221689 is a wasteful number, since it uses less digits than its factorization.

4407221689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339017066.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 4407221689 is about 66386.9090182696. The cubic root of 4407221689 is about 1639.5385486623.

The spelling of 4407221689 in words is "four billion, four hundred seven million, two hundred twenty-one thousand, six hundred eighty-nine".