2287228 has 12 divisors (see below), whose sum is σ = 4013632. Its totient is φ = 1140480.

The previous prime is 2287223. The next prime is 2287237. The reversal of 2287228 is 8227822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2287228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813 + ... + 2803.

2^2287228 is an apocalyptic number.

It is an amenable number.

2287228 is a deficient number, since it is larger than the sum of its proper divisors (1726404).

2287228 is a wasteful number, since it uses less digits than its factorization.

2287228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1570 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 2287228 is about 1512.3584231259. The cubic root of 2287228 is about 131.7558234652.

The spelling of 2287228 in words is "two million, two hundred eighty-seven thousand, two hundred twenty-eight".