2043003221 has 16 divisors (see below), whose sum is σ = 2438553600. Its totient is φ = 1673512368.

The previous prime is 2043003217. The next prime is 2043003239. The reversal of 2043003221 is 1223003402.

It is a cyclic number.

It is not a de Polignac number, because 2043003221 - 2² = 2043003217 is a prime.

It is a super-2 number, since 2×2043003221² = 8347724322032749682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2043003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043003421) 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, 197660 + ... + 207738.

It is an arithmetic number, because the mean of its divisors is an integer number (152409600).

Almost surely, 2^2043003221 is an apocalyptic number.

It is an amenable number.

2043003221 is a deficient number, since it is larger than the sum of its proper divisors (395550379).

2043003221 is a wasteful number, since it uses less digits than its factorization.

2043003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2043003221 is about 45199.5931508238. The cubic root of 2043003221 is about 1268.8872020132.

Adding to 2043003221 its reverse (1223003402), we get a palindrome (3266006623).

The spelling of 2043003221 in words is "two billion, forty-three million, three thousand, two hundred twenty-one".