3722164085 has 4 divisors (see below), whose sum is σ = 4466596908. Its totient is φ = 2977731264.

The previous prime is 3722164051. The next prime is 3722164109. The reversal of 3722164085 is 5804612273.

It is a happy number.

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 1188249841 + 2533914244 = 34471^2 + 50338^2 .

It is a cyclic number.

It is not a de Polignac number, because 3722164085 - 2⁶ = 3722164021 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372216404 + ... + 372216413.

It is an arithmetic number, because the mean of its divisors is an integer number (1116649227).

Almost surely, 2^3722164085 is an apocalyptic number.

It is an amenable number.

3722164085 is a deficient number, since it is larger than the sum of its proper divisors (744432823).

3722164085 is an equidigital number, since it uses as much as digits as its factorization.

3722164085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744432822.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3722164085 is about 61009.5409341850. The cubic root of 3722164085 is about 1549.7625838237.

The spelling of 3722164085 in words is "three billion, seven hundred twenty-two million, one hundred sixty-four thousand, eighty-five".