2228669165 has 8 divisors (see below), whose sum is σ = 2691438360. Its totient is φ = 1771578432.

The previous prime is 2228669159. The next prime is 2228669189. The reversal of 2228669165 is 5619668222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 293197129 + 1935472036 = 17123^2 + 43994^2 .

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 2228669165 - 2²⁶ = 2161560301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418750 + ... + 1420319.

It is an arithmetic number, because the mean of its divisors is an integer number (336429795).

Almost surely, 2^2228669165 is an apocalyptic number.

It is an amenable number.

2228669165 is a deficient number, since it is larger than the sum of its proper divisors (462769195).

2228669165 is a wasteful number, since it uses less digits than its factorization.

2228669165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839231.

The product of its digits is 622080, while the sum is 47.

The square root of 2228669165 is about 47208.7827104237. The cubic root of 2228669165 is about 1306.2166083816.

The spelling of 2228669165 in words is "two billion, two hundred twenty-eight million, six hundred sixty-nine thousand, one hundred sixty-five".