2227165285 has 4 divisors (see below), whose sum is σ = 2672598348. Its totient is φ = 1781732224.

The previous prime is 2227165253. The next prime is 2227165321. The reversal of 2227165285 is 5825617222.

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 1451152836 + 776012449 = 38094^2 + 27857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227165285 - 2⁵ = 2227165253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 222716524 + ... + 222716533.

It is an arithmetic number, because the mean of its divisors is an integer number (668149587).

Almost surely, 2^2227165285 is an apocalyptic number.

It is an amenable number.

2227165285 is a deficient number, since it is larger than the sum of its proper divisors (445433063).

2227165285 is an equidigital number, since it uses as much as digits as its factorization.

2227165285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445433062.

The product of its digits is 134400, while the sum is 40.

The square root of 2227165285 is about 47192.8520540982. The cubic root of 2227165285 is about 1305.9227356855.

The spelling of 2227165285 in words is "two billion, two hundred twenty-seven million, one hundred sixty-five thousand, two hundred eighty-five".