3822011665 has 16 divisors (see below), whose sum is σ = 4633880400. Its totient is φ = 3026114560.

The previous prime is 3822011657. The next prime is 3822011701. The reversal of 3822011665 is 5661102283.

3822011665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 333573696 + 3488437969 = 18264^2 + 59063^2 .

It is not a de Polignac number, because 3822011665 - 2³ = 3822011657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3822011665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200217 + ... + 218473.

It is an arithmetic number, because the mean of its divisors is an integer number (289617525).

Almost surely, 2^3822011665 is an apocalyptic number.

It is an amenable number.

3822011665 is a deficient number, since it is larger than the sum of its proper divisors (811868735).

3822011665 is a wasteful number, since it uses less digits than its factorization.

3822011665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 3822011665 is about 61822.4204071630. The cubic root of 3822011665 is about 1563.4980217220.

The spelling of 3822011665 in words is "three billion, eight hundred twenty-two million, eleven thousand, six hundred sixty-five".