2228775 has 12 divisors (see below), whose sum is σ = 3685032. Its totient is φ = 1188640.

The previous prime is 2228771. The next prime is 2228777. The reversal of 2228775 is 5778222.

It is not a de Polignac number, because 2228775 - 2² = 2228771 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²⁰ + 2²⁰ + 8³ + 7 + 7 + 5² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14784 + ... + 14933.

It is an arithmetic number, because the mean of its divisors is an integer number (307086).

2^2228775 is an apocalyptic number.

2228775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2228775 is a deficient number, since it is larger than the sum of its proper divisors (1456257).

2228775 is a wasteful number, since it uses less digits than its factorization.

2228775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29730 (or 29725 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 2228775 is about 1492.9082356260. The cubic root of 2228775 is about 130.6237284584.

It can be divided in two parts, 2228 and 775, that added together give a palindrome (3003).

The spelling of 2228775 in words is "two million, two hundred twenty-eight thousand, seven hundred seventy-five".