3220140243 has 16 divisors (see below), whose sum is σ = 4321843200. Its totient is φ = 2132629920.

The previous prime is 3220140223. The next prime is 3220140247. The reversal of 3220140243 is 3420410223.

It is not a de Polignac number, because 3220140243 - 2⁹ = 3220139731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220140247) 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, 471628 + ... + 478406.

It is an arithmetic number, because the mean of its divisors is an integer number (270115200).

Almost surely, 2^3220140243 is an apocalyptic number.

3220140243 is a deficient number, since it is larger than the sum of its proper divisors (1101702957).

3220140243 is a wasteful number, since it uses less digits than its factorization.

3220140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3220140243 is about 56746.2795520552. The cubic root of 3220140243 is about 1476.6976898729.

Adding to 3220140243 its reverse (3420410223), we get a palindrome (6640550466).

The spelling of 3220140243 in words is "three billion, two hundred twenty million, one hundred forty thousand, two hundred forty-three".