4244002225321 has 32 divisors (see below), whose sum is σ = 4464867456000. Its totient is φ = 4029301463040.

The previous prime is 4244002225271. The next prime is 4244002225327. The reversal of 4244002225321 is 1235222004424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4244002225321 - 2⁹ = 4244002224809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244002225327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167476270 + ... + 167501608.

It is an arithmetic number, because the mean of its divisors is an integer number (139527108000).

Almost surely, 2^{4244002225321} is an apocalyptic number.

It is an amenable number.

4244002225321 is a deficient number, since it is larger than the sum of its proper divisors (220865230679).

4244002225321 is a wasteful number, since it uses less digits than its factorization.

4244002225321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25969.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 4244002225321 its reverse (1235222004424), we get a palindrome (5479224229745).

The spelling of 4244002225321 in words is "four trillion, two hundred forty-four billion, two million, two hundred twenty-five thousand, three hundred twenty-one".