3822545081 has 8 divisors (see below), whose sum is σ = 4087475784. Its totient is φ = 3562067200.

The previous prime is 3822545033. The next prime is 3822545119. The reversal of 3822545081 is 1805452283.

It can be written as a sum of positive squares in 4 ways, for example, as 2019693481 + 1802851600 = 44941^2 + 42460^2 .

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 3822545081 - 2⁶ = 3822545017 is a prime.

It is a super-2 number, since 2×3822545081² = 29223701792554593122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3822545011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1111430 + ... + 1114863.

It is an arithmetic number, because the mean of its divisors is an integer number (510934473).

Almost surely, 2^3822545081 is an apocalyptic number.

It is an amenable number.

3822545081 is a deficient number, since it is larger than the sum of its proper divisors (264930703).

3822545081 is a wasteful number, since it uses less digits than its factorization.

3822545081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226411.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 3822545081 is about 61826.7343549698. The cubic root of 3822545081 is about 1563.5707544553.

The spelling of 3822545081 in words is "three billion, eight hundred twenty-two million, five hundred forty-five thousand, eighty-one".