3220213243 has 4 divisors (see below), whose sum is σ = 3467921968. Its totient is φ = 2972504520.

The previous prime is 3220213237. The next prime is 3220213301. The reversal of 3220213243 is 3423120223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220213243 - 2⁵ = 3220213211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220213223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123854343 + ... + 123854368.

It is an arithmetic number, because the mean of its divisors is an integer number (866980492).

Almost surely, 2^3220213243 is an apocalyptic number.

3220213243 is a deficient number, since it is larger than the sum of its proper divisors (247708725).

3220213243 is a wasteful number, since it uses less digits than its factorization.

3220213243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247708724.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3220213243 is about 56746.9227623842. The cubic root of 3220213243 is about 1476.7088486122.

Adding to 3220213243 its reverse (3423120223), we get a palindrome (6643333466).

The spelling of 3220213243 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, two hundred forty-three".