2228286 has 32 divisors (see below), whose sum is σ = 4739328. Its totient is φ = 696960.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228286 is 6828222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 2⁵ + 2¹⁷ + 8 + 2²¹ + 8 + 6 .

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9126 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (148104).

2^2228286 is an apocalyptic number.

2228286 is an abundant number, since it is smaller than the sum of its proper divisors (2511042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228286 is a wasteful number, since it uses less digits than its factorization.

2228286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its digits is 6144, while the sum is 30.

The square root of 2228286 is about 1492.7444523427. The cubic root of 2228286 is about 130.6141746789.

The spelling of 2228286 in words is "two million, two hundred twenty-eight thousand, two hundred eighty-six".