2043221205 has 16 divisors (see below), whose sum is σ = 3273326784. Its totient is φ = 1088327040.

The previous prime is 2043221203. The next prime is 2043221287. The reversal of 2043221205 is 5021223402.

It is not a de Polignac number, because 2043221205 - 2¹ = 2043221203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043221203) 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, 74736 + ... + 98345.

It is an arithmetic number, because the mean of its divisors is an integer number (204582924).

Almost surely, 2^2043221205 is an apocalyptic number.

It is an amenable number.

2043221205 is a deficient number, since it is larger than the sum of its proper divisors (1230105579).

2043221205 is a wasteful number, since it uses less digits than its factorization.

2043221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173876.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2043221205 is about 45202.0044356442. The cubic root of 2043221205 is about 1268.9323295764.

Adding to 2043221205 its reverse (5021223402), we get a palindrome (7064444607).

The spelling of 2043221205 in words is "two billion, forty-three million, two hundred twenty-one thousand, two hundred five".