3122205213 has 8 divisors (see below), whose sum is σ = 4171490368. Its totient is φ = 2077195104.

The previous prime is 3122205199. The next prime is 3122205287. The reversal of 3122205213 is 3125022213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3122205213 - 2¹⁶ = 3122139677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122205213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122207213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067056 + ... + 1069977.

It is an arithmetic number, because the mean of its divisors is an integer number (521436296).

Almost surely, 2^3122205213 is an apocalyptic number.

It is an amenable number.

3122205213 is a deficient number, since it is larger than the sum of its proper divisors (1049285155).

3122205213 is a wasteful number, since it uses less digits than its factorization.

3122205213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137523.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3122205213 is about 55876.6965111575. The cubic root of 3122205213 is about 1461.5728987525.

Adding to 3122205213 its reverse (3125022213), we get a palindrome (6247227426).

It can be divided in two parts, 3122 and 205213, that added together give a triangular number (208335 = T₆₄₅).

The spelling of 3122205213 in words is "three billion, one hundred twenty-two million, two hundred five thousand, two hundred thirteen".