3522106381 has 4 divisors (see below), whose sum is σ = 3561680700. Its totient is φ = 3482532064.

The previous prime is 3522106339. The next prime is 3522106387. The reversal of 3522106381 is 1836012253.

3522106381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 438525481 + 3083580900 = 20941^2 + 55530^2 .

It is a cyclic number.

It is not a de Polignac number, because 3522106381 - 2⁹ = 3522105869 is a prime.

It is a super-2 number, since 2×3522106381² = 24810466718161834322, which contains 22 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 (3522106387) 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, 19787026 + ... + 19787203.

It is an arithmetic number, because the mean of its divisors is an integer number (890420175).

Almost surely, 2^3522106381 is an apocalyptic number.

It is an amenable number.

3522106381 is a deficient number, since it is larger than the sum of its proper divisors (39574319).

3522106381 is an equidigital number, since it uses as much as digits as its factorization.

3522106381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39574318.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3522106381 is about 59347.3367641717. The cubic root of 3522106381 is about 1521.4843505738.

The spelling of 3522106381 in words is "three billion, five hundred twenty-two million, one hundred six thousand, three hundred eighty-one".