3522751218 has 72 divisors (see below), whose sum is σ = 9000562428. Its totient is φ = 992694528.

The previous prime is 3522751189. The next prime is 3522751279. The reversal of 3522751218 is 8121572253.

3522751218 is a `hidden beast` number, since 3 + 522 + 7 + 5 + 121 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3514474089 + 8277129 = 59283^2 + 2877^2 .

It is a super-2 number, since 2×3522751218² = 24819552287840967048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37030 + ... + 91742.

Almost surely, 2^3522751218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522751218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500281214).

3522751218 is an abundant number, since it is smaller than the sum of its proper divisors (5477811210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3522751218 is a wasteful number, since it uses less digits than its factorization.

3522751218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54808 (or 54798 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 3522751218 is about 59352.7692530012. The cubic root of 3522751218 is about 1521.5771974320.

The spelling of 3522751218 in words is "three billion, five hundred twenty-two million, seven hundred fifty-one thousand, two hundred eighteen".