4003044221 has 16 divisors (see below), whose sum is σ = 4428103680. Its totient is φ = 3588478320.

The previous prime is 4003044217. The next prime is 4003044257. The reversal of 4003044221 is 1224403004.

It is a cyclic number.

It is not a de Polignac number, because 4003044221 - 2² = 4003044217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4003044193 and 4003044202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003044211) 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, 263396 + ... + 278178.

It is an arithmetic number, because the mean of its divisors is an integer number (276756480).

Almost surely, 2^4003044221 is an apocalyptic number.

It is an amenable number.

4003044221 is a deficient number, since it is larger than the sum of its proper divisors (425059459).

4003044221 is a wasteful number, since it uses less digits than its factorization.

4003044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4003044221 is about 63269.6153062432. The cubic root of 4003044221 is about 1587.8036498205.

Adding to 4003044221 its reverse (1224403004), we get a palindrome (5227447225).

The spelling of 4003044221 in words is "four billion, three million, forty-four thousand, two hundred twenty-one".