4021444330229 has 32 divisors (see below), whose sum is σ = 4395345688800. Its totient is φ = 3665175920640.

The previous prime is 4021444330223. The next prime is 4021444330261. The reversal of 4021444330229 is 9220334441204.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2544988471204 + 1476455859025 = 1595302^2 + 1215095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444330229 is a prime.

It is a super-2 number, since 2×4021444330229² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021444330192 and 4021444330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444330223) 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 31 ways as a sum of consecutive naturals, for example, 17632877 + ... + 17859485.

It is an arithmetic number, because the mean of its divisors is an integer number (137354552775).

Almost surely, 2^{4021444330229} is an apocalyptic number.

It is an amenable number.

4021444330229 is a deficient number, since it is larger than the sum of its proper divisors (373901358571).

4021444330229 is a wasteful number, since it uses less digits than its factorization.

4021444330229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226953.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 4021444330229 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred thirty thousand, two hundred twenty-nine".