2273228 has 12 divisors (see below), whose sum is σ = 4151280. Its totient is φ = 1087152.

The previous prime is 2273213. The next prime is 2273231. The reversal of 2273228 is 8223722.

It is a junction number, because it is equal to n+sod(n) for n = 2273197 and 2273206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12263 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (345940).

2^2273228 is an apocalyptic number.

It is an amenable number.

2273228 is a deficient number, since it is larger than the sum of its proper divisors (1878052).

2273228 is a wasteful number, since it uses less digits than its factorization.

2273228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736 (or 24734 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2273228 is about 1507.7227861911. The cubic root of 2273228 is about 131.4864496632.

The spelling of 2273228 in words is "two million, two hundred seventy-three thousand, two hundred twenty-eight".