3122210213 has 4 divisors (see below), whose sum is σ = 3122559468. Its totient is φ = 3121860960.

The previous prime is 3122210159. The next prime is 3122210261. The reversal of 3122210213 is 3120122213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2178368929 + 943841284 = 46673^2 + 30722^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122210213 - 2²⁴ = 3105432997 is a prime.

It is a super-2 number, since 2×3122210213² = 19496393228323010738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3122210191 and 3122210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122210713) 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, 160856 + ... + 179217.

It is an arithmetic number, because the mean of its divisors is an integer number (780639867).

Almost surely, 2^3122210213 is an apocalyptic number.

It is an amenable number.

3122210213 is a deficient number, since it is larger than the sum of its proper divisors (349255).

3122210213 is an equidigital number, since it uses as much as digits as its factorization.

3122210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349254.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3122210213 is about 55876.7412525104. The cubic root of 3122210213 is about 1461.5736789554.

Adding to 3122210213 its reverse (3120122213), we get a palindrome (6242332426).

The spelling of 3122210213 in words is "three billion, one hundred twenty-two million, two hundred ten thousand, two hundred thirteen".