3520822213 has 8 divisors (see below), whose sum is σ = 3730653720. Its totient is φ = 3311293440.

The previous prime is 3520822199. The next prime is 3520822229. The reversal of 3520822213 is 3122280253.

It can be written as a sum of positive squares in 4 ways, for example, as 105822369 + 3414999844 = 10287^2 + 58438^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3520822213 - 2⁵ = 3520822181 is a prime.

It is a super-3 number, since 3×3520822213³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520822243) 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, 51508 + ... + 98461.

It is an arithmetic number, because the mean of its divisors is an integer number (466331715).

Almost surely, 2^3520822213 is an apocalyptic number.

It is an amenable number.

3520822213 is a deficient number, since it is larger than the sum of its proper divisors (209831507).

3520822213 is a wasteful number, since it uses less digits than its factorization.

3520822213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151367.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3520822213 is about 59336.5166908203. The cubic root of 3520822213 is about 1521.2994158774.

The spelling of 3520822213 in words is "three billion, five hundred twenty million, eight hundred twenty-two thousand, two hundred thirteen".