2272165 has 8 divisors (see below), whose sum is σ = 3116160. Its totient is φ = 1558032.

The previous prime is 2272141. The next prime is 2272177. The reversal of 2272165 is 5612722.

2272165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272165 - 2¹¹ = 2270117 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32425 + ... + 32494.

It is an arithmetic number, because the mean of its divisors is an integer number (389520).

2^2272165 is an apocalyptic number.

It is an amenable number.

2272165 is a deficient number, since it is larger than the sum of its proper divisors (843995).

2272165 is an equidigital number, since it uses as much as digits as its factorization.

2272165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64931.

The product of its digits is 1680, while the sum is 25.

The square root of 2272165 is about 1507.3702265867. The cubic root of 2272165 is about 131.4659513692.

Adding to 2272165 its reverse (5612722), we get a palindrome (7884887).

The spelling of 2272165 in words is "two million, two hundred seventy-two thousand, one hundred sixty-five".