4044221001 has 16 divisors (see below), whose sum is σ = 6343876800. Its totient is φ = 2537550144.

The previous prime is 4044220997. The next prime is 4044221029. The reversal of 4044221001 is 1001224404.

4044221001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4044221001 - 2² = 4044220997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4044221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405011 + ... + 4405928.

It is an arithmetic number, because the mean of its divisors is an integer number (396492300).

Almost surely, 2^4044221001 is an apocalyptic number.

It is an amenable number.

4044221001 is a deficient number, since it is larger than the sum of its proper divisors (2299655799).

4044221001 is a wasteful number, since it uses less digits than its factorization.

4044221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810965 (or 8810959 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4044221001 is about 63594.1899940553. The cubic root of 4044221001 is about 1593.2293320373.

Adding to 4044221001 its reverse (1001224404), we get a palindrome (5045445405).

The spelling of 4044221001 in words is "four billion, forty-four million, two hundred twenty-one thousand, one".