3622165 has 4 divisors (see below), whose sum is σ = 4346604. Its totient is φ = 2897728.

The previous prime is 3622159. The next prime is 3622169. The reversal of 3622165 is 5612263.

3622165 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 2634129 + 988036 = 1623^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622165 - 2¹⁷ = 3491093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362212 + ... + 362221.

It is an arithmetic number, because the mean of its divisors is an integer number (1086651).

Almost surely, 2^3622165 is an apocalyptic number.

It is an amenable number.

3622165 is a deficient number, since it is larger than the sum of its proper divisors (724439).

3622165 is an equidigital number, since it uses as much as digits as its factorization.

3622165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724438.

The product of its digits is 2160, while the sum is 25.

The square root of 3622165 is about 1903.1986233707. The cubic root of 3622165 is about 153.5757847795.

It can be divided in two parts, 36 and 22165, that added together give a square (22201 = 149²).

The spelling of 3622165 in words is "three million, six hundred twenty-two thousand, one hundred sixty-five".